"Monthly Core" is the latest industry information column launched by the charging head network, for the consumer digital accessories industry chain users, mainly used to summarize and publish the latest chips/solutions in the upstream of the consumer power supply industry, to help the majority of industry engineers systematically and quickly understand the monthly information.
"Monthly Core" will include dozens of popular new products from original factories, which can be divided into AC-DC chips, DC-DC chips, protocol chips, power devices, wireless charging chips and reference designs.
This issue includes AC-DC chips, DC-DC chips, protocol chips, power devices, capacitors, wireless charging, reference designs and many other new products. Let's take a look at the specific report, click on the blue subtitle to view the information content.
<h1 class="pgc-h-arrow-right" data-track="7" >AC-DC chip</h1>
1, a chip to get 30W mini PD fast charging, PI all rely on this trick unique skill
INN3367C is PI's InnoSwitch3-Pro series switching power supply chip, which integrates most of the main functions such as PWM main control chip, 650V power device, and synchronous rectifier controller; supports wide voltage input, and outputs 40W power in a closed environment of the adapter, leaving a margin for 30W output to reduce the temperature rise.
2. Onbao Electronics launched OB2736X series of combined gaN power chips
Following the launch of the high-frequency flyback gallium nitride OB2736, the latest launch of the built-in gallium nitride device of the combined gallium nitride series chip OB2736X, the chip built-in 650V pressure-resistant gallium nitride power device, using a custom LSOP8-7 package, with excellent heat dissipation performance. The chip supports high-voltage start-up and simplified peripheral components. The operating frequency is up to 300KHz, and can be combined with on-premise OB2007 synchronous rectifier chip and OB2613 protocol chip to form a complete and simplified USB PD fast charge, and take advantage of gallium nitride to reduce the size of the charger.
3. Biyi micro 18~30W fast charging chip P2P series solution to help customers one step ahead
The KP223XX micro primary chip supports a wide range of power supply, without the need for external circuitry, it can meet a wide range of voltage outputs from 3.3-12V. The innovative ASOP6 package effectively improves thermal performance compared to SOP8, solving a major market pain point. Internal high accuracy 80kHz switching frequency oscillator with frequency modulation and current peak modulation to optimize EMI performance.
The chip combines quasi-resonant control mode, green energy-saving mode and hiccup mode to optimize efficiency in a full range, achieve standby power consumption of less than 30mW, meet six-level energy efficiency requirements, and integrate comprehensive protection functions. At the same time, the inner sealed high-voltage MOS from 0.5Ω to 1.7Ω with different MOSFETs to form a P2P family, facing the complex PD market, to meet the needs of different customers.
Biyi Micro KP40562 is a synchronous rectifier chip for flyback topology, supporting high-side and low-side use, supporting DCM and QR operating modes, built-in power supply module, no need for auxiliary windings to power the chip. KP40562 has integrated VDD undervoltage protection and a built-in 60V 8mΩ synchronous rectifier tube for PD fast charging adapters and fixed voltage output adapters.
Biyi micro KP2182X is a constant voltage constant current PSR power switch tube that supports quasi-resonant working mode, which is about 1-2% higher than the system efficiency of the transmission DCM mode, and the product adopts the optimized process and circuit design system with higher constant voltage and constant current accuracy, and integrates single point failure protection and upper clamp frequency protection, which greatly improves the reliability of the system and reduces the failure rate of mass production.
4. PI launched InnoSwitch3-PD fully integrated PD power chip
InnoSwitch3-PD is a single-chip power solution dedicated to USB PD fast charging, which integrates a common USB PD protocol chip into the power supply chip, simplifying the USB PD fast charging design and effectively reducing the standby power consumption of the power supply, with no-load power consumption as low as 14mW. At the same time, the chip also integrates a 650V withstand voltage MOSFET or a 750V withstand voltage PowiGaN high voltage switch, providing up to 100W of output power.
5. Push up the power density, Maoruixin released the GaN seal fast charging chip MK2787/MK2788
MK2787/MK2788 with integrated GaN PD solutions, an ACDC power switch with integrated GaN HEMT, an ESCOP-8 package for MK2787 and a DFN5x6 package for MK2788. In addition, MK2787/MK2788 adopts The industry-leading high-voltage technology unique to Maoruixin, Vcc withstand voltage up to 110V, PPS application does not require voltage regulation circuit; the use of patented floppy drive technology, effectively reduce the synchronous rectifier voltage stress; the use of high-frequency QR control technology, effectively reduce the size of the transformer.
6. Syren Micro released S1109SCL fast charging main control chip
The Synon Micro S1109SCL is a current mode controller and switch tube 2-in-1 primary flyback converter chip with a built-in 650V1Ω switch tube with very low start-up current and the use of a large value of start-up resistors to reduce standby power consumption. Supports digital jitter to improve EMI performance.
The Synen Micro S1109SCL provides a wide range of protection features, including VCC overvoltage clamp undervoltage lockout protection, cycle-by-cycle overcurrent protection, overload protection, overtemperature protection, and current limit compensation at wide voltage inputs. The chip has built-in soft-start to reduce the voltage stress on the MOS tube at boot time, and the VCC supply voltage is 9-41V, which meets the wide range of USB PD output applications.
7. Greeting the iPhone13, Nanxin's new 33W fast charging solution was listed
The NANSIC SC3005 is a high-performance multi-mode flyback controller with built-in X-capacitor discharge and high-voltage start-up for extremely low standby power consumption and ultra-fast start-up speed. The chip features adaptive switching frequency foldback for greater efficiency over the entire load range. At heavy loads and full loads, it operates at the highest switching frequency, automatically reduces the switching frequency at light loads, and obtains high efficiency by opening at the valley floor in discontinuous mode. Operates in low-power mode when uncarried, reducing the system's standby power consumption.
The NANSIC SC3511 is an intelligent fast shutdown synchronous rectifier with an integrated 100V 10mΩ synchronous rectifier that replaces Schottky diodes for higher system conversion efficiency. The SC3511 eliminates the need for auxiliary coil power, has a built-in proprietary on-check circuit, and has very low quiescent current, reducing overall standby power consumption. Support DCM, CCM and QR operating modes, support high-end and low-end synchronous rectification applications, using SOP8 package, suitable for AC-DC adapter, USB PD fast charging, flyback switching power supply, etc.
8. Biyi Micro launched a new generation of MOSFET PSR series: peripheral streamlining and performance upgrades
The first two models of the KP2322X series of Biyi Micro were launched, KP23223SGA and KP23225CSGA. The KP23223SGA has a built-in 650V2.6ohm planar MOSFET for two typical specifications of a 12V1A adapter and a 5V2A charger; the KP23225CSGA has a built-in 650V1.6ohm Cool MOSFET, which is suitable for the typical specifications of a 12V1.5A adapter.
<h1 class="pgc-h-arrow-right" data-track="61">DC-DC</h1>
1. Will the iPhone13 give birth to a star chip company?
Shuixin Electronics' M2688 is a power management SoC chip developed for mobile power applications, supporting 30W-100W input and output power. It integrates a high-performance microprocessor unit (MCU), a 16-bit ADC, a flexibly configured charge-discharge unit, a physical layer unit that implements a fast charging protocol, a complete safety protection unit, and a direct LED drive interface. With a few peripheral circuits, a complete mobile power solution can be realized.
2. Let portable power tools achieve fast charging, and Yingjixin launched IP2326 charging management chip
Injixin IP2326 is a 2/3 string lithium battery boost charging IC with integrated charging balance function, with integrated switching tube, which can dynamically adjust the input voltage according to the battery voltage through QC3.0 to optimize the boost conversion efficiency. Support single lamp charge status indication, input withstand voltage 25V, support NTC battery temperature detection, support input undervoltage, overvoltage protection and charge timeout protection. Ip2326 provides a charge balancing function when used for 2-string charging.
3. Chinese manufacturers develop new charging chips, which can make hundreds of millions of power tools popularize fast charging!
The IP2368 integrated four-tube H-bridge synchronous booster driver is integrated, the circuit is a single inductance structure, and the external four NMOS tubes are used for bidirectional buck-boost operation. The chip supports 100W charging input and discharge output, and has an adaptive charging current regulation function in the face of a small power adapter, which can use a mobile power supply to a high-power PD charger to charge the battery pack, and the compatibility is good. Support the use of 2-6 series battery packs, battery full voltage support resistance settings, suitable for lithium iron phosphate and lithium ternary batteries.
3. Injexin launched three power tool charging chips to meet the needs of 15W to 100W fast charging
Inji core IP2365 built-in synchronous buck MOS tube, support 5 to 26V voltage input, maximum output current 3A, input current and charging current can be set by resistance, support NTC battery temperature detection, support input overvoltage, undervoltage protection, support single lamp charging status indication, battery cell number is set by resistance, output support overcurrent protection and short circuit protection, built-in soft-start function and input current adaptive adjustment function. It can be used for 20V fixed voltage input, and can also be used for charging cradle charging.
4. Efficiency evaluation of Zhirong SW7203 100W two-way buck-booster charging and discharging scheme
Zhirong SW7203 adopts QFN4*4-32 package, which is small and space-saving. This is a single-inductance four-tube synchronous bidirectional buck-boost charge-discharge controller, support 1-4 lithium battery buck-boost charge and discharge, support 3-19.2V battery voltage range, support 100W charging and output, support 4-24V input voltage, support 3-22V output, input/output and battery terminal current can be set by I2C bus, support feedback and I2C bus to adjust the output voltage, and can switch PSM or PWM operating mode according to the load situation.
The built-in battery charge management supports NVDC power path management, supports dead battery start and battery-free working mode, and has built-in full battery charge cycle management. The chip integrates the NTC detection function inside, which can provide complete high and low temperature protection for the battery and ensure the safety of battery use.
<h1 class="pgc-h-arrow-right" data-track="90" > protocol chip</h1>
1. Zhirong SW2327 obtained VOOC flash charge 4.0 fast charge certification
Zhirong SW2327 is a highly integrated and high-performance USB-C/USB-A interface chip with a built-in ARM Cortex-M0 core with a 40MHz frequency and a maximum operating frequency of 40MHz. Built-in support for 10K flashing 64KB car grade eFlash + 4KB memory. The chip officially obtained the VOOC4.0 product certification of the Thiel Certification Center on September 10, 2021, not only that, but also supports the UFCS converged fast charging specification.
2. South core mass production SC1832XM high-integration fast charging protocol chip, to achieve large-scale mass production on the original mobile phone charger
Nanchip SC1832XM adopts 16-pin QFN 4mm*4mm package, is a controller that supports PD and DP/DM fast charging protocols, internal integrated feedback loop, supports the latest Type-C and PD3.0 standards, and also supports proprietary fast charging protocols using DP/DM interfaces, supports other proprietary fast charging protocols such as DCP, HVDCP, QC3.0/2.0, supports UART and I2C interfaces, and is suitable for various adapter applications.
<h1 class="pgc-h-arrow-right" data-track="103" > power device</h1>
1. Ingaton gallium nitride power device adds another member to help 33W gallium nitride fast charging
IGC6041 can be used with all the mainstream GaN special driver chips and traditional silicon driver chips, the solution development is simple, the market penetration is strong. At the same time, the device adopts DFN5X6 package to meet the customer's pursuit of small size. Finally, through innovative design, the cost of Cascode devices is reduced, and the comprehensive competitiveness of devices is further enhanced.
Ingatong IGC6021 is also a 650V Gallium Nitride Cascode cascade device, DFN8X8 package, stable and reliable in 65W fast charging applications, the efficiency of the whole machine is comparable to the traditional E-mode solution, has been shipped in batches and won the recognition of customers and the market.
Ingaton IGC6611 is a 650V Gallium Nitride E-mode device, DFN6X8 package, low on-resistance, low Miller capacitance, with industry-leading power device quality factor (RON*QG), bringing users higher switching frequency and conversion efficiency.
2. Nanjing Green Core launched the first one-stop solution for gallium nitride power supply in China
The Greencore GR1230H is a flyback primary PWM controller with built-in high-efficiency hybrid operating modes that support CCM, QR, and energy-saving modes to achieve high conversion efficiency over the full power range. Its patented frequency reduction technology enables high conversion efficiency over the full power range, and special jitter technology reduces emi component size and cost. It can be used with gallium nitride switch tubes and traditional silicon MOS tubes to produce high-efficiency switching power adapters.
Green core GN1265CLG is a Gallium nitride switch MOS tube, withstand voltage 650V, on-resistance 380mΩ, using DFN5*6 and TO220 two packages, gate support ± 15V drive voltage. The green-core GN1265CLG simplifies applications and is compatible with traditional gate drivers.
3. Azasi Technology launched a high-performance gallium nitride fast charging program
The DX6510C is a 650V enhanced gallium nitride power switch in a DFN5*6 package, the actual model is DXE65H010C160.
<h1 class="pgc-h-arrow-right" data-track="131" > wireless charging chip</h1>
1, a chip to get the MagSafe charging treasure, Yingjixin launched two high-integration wireless SoCs
Injixin IP5566 is a 5V3A output, integrated 5W wireless charge and transmit function of mobile power supply SOC, integrated wireless charging MOS drive output, and voltage and current demodulation function. Necessary components such as external MOS tubes and wireless charging coils are only required, and the power bank circuit is also very streamlined, effectively reducing the wireless charging power bank design.
Injexin IP5566 is a mobile power soc that supports 20W fast charging output, integrates 15W wireless charging transmission and 10W wireless charging reception, and integrates wireless charging MOS drive output and integrated voltage and current demodulation function. The wireless charging function only needs to add the necessary components such as external MOS tubes and wireless charging coils, and the mobile power circuit is always very streamlined, effectively reducing the wireless charging mobile power design.
2. ST launched STWLC68 wireless charging scheme to support wireless charging of Internet of Things devices
STMicroelectronics' STWLC68 supports the Qi 1.2.4 protocol as well as BPP, and the chip integrates a low-loss synchronous rectifier and a low-dropout linear regulator, dynamically controlled by a digital core to minimize losses under different loads. The built-in I2C interface can access and configure parameters, and can be saved in memory, which can be operated independently.
3. Vodavico launched a 50W vehicle wireless charging solution with a charging efficiency of up to 77%
The efficiency of the VD 50W automotive wireless charging reference design NVTREF8040Q is as high as 77%, which has reached a very high level in China. This wireless charging transmitter solution combines high integration, high efficiency and high power in one and is used in the automotive front-loading market. With the introduction of the NVTREF8040Q, it will provide customers with wireless charging solutions with higher efficiency, freer charging and more secure.
capacitance
1. Koya launched a special CBB capacitor for wireless charging with a higher cost performance
Features of CBB capacitors for K&A wireless charging:
Ultra-small and ultra-thin: The thickness of the ultra-thin wireless charging CBB capacitor is only 2.4mm, which can be combined with PCB hollowing, which is equivalent to the 1206 chip NPO capacitor, and the installation does not occupy space.
Lower cost: one CBB instead of four NPOs, the cost can be reduced by at least 1 yuan, if the product shipment is larger, this cost reduction will be very obvious, can make the enterprise profit higher, the product is more competitive.
Longer life: Through the use of customers, coupled with the continuous research and development, update, high-frequency loss, temperature rise and life and miniaturization have made significant progress, the product life is longer, the performance is more stable.
2. Hunan Xiangyi launched a SMD conductive polymer tantalum capacitor
Xiangyi conductive polymer tantalum capacitor is 25V withstand voltage, 100μF capacity, D package, ESR is 100mΩ, meet the USB PD 20V voltage output use, high frequency characteristics are good, suitable for secondary buck output filtering. The capacitor has very low equivalent series resistance and low equivalent series inductance, which can be used for filtering in higher frequency circuits. With excellent safety, there will be no combustion explosion when accidental breakdown, and there will be no fire and secondary breakdown effect. Only 10-20% derating is required for filtering in switching power supply circuits, with high safety and low failure efficiency.
3. Terry Xiang released a high capacity ultra-thin PATCH Y1 capacitor
Terry Xiang High Capacity Y1 SMD Y Capacitor is square, this is 10000pF capacity, Y5V material, error 20%. The nominal size is 10.5*9.6*2.58mm. With the advantages of small size and large capacity, it can replace the traditional multiple plug-in Y capacitors in parallel in high-power power supplies, and the ultra-thin design can be soldered with the chip on the back of the circuit board, using the spare space to save the front space of the circuit board and achieve higher power density.
<h1 class="pgc-h-arrow-right" data-track="170" > others</h1>
1. Weifeng launched the VL830 interface converter, which supports USB4 interface expansion and DP video output
The VL830 is the industry's first USB4 control solution, fully compliant with usb4 specifications and with optimized system cost. USB4 uses a USB-C interface, the transfer speed reaches 40Gbps of The Thunderbolt 4, and supports data and display protocols using a high-speed connection. The VL830 is also compatible with the DP Alternative Mode (DP Alt-mode) of the traditional USB-C interface, supporting traditional notebooks and notebook computers.
2. Azoteq introduced a proximity sensor switch for wireless charging
The Azoteq IQS227AS chip is a fully integrated capacitive sensing sensor that supports touch and distance output. The chip has a built-in auto-calibration mechanism and internal reference capacitor to support supply voltages from 1.8-3.6V, and simplified external components for easy connection to other systems. An advanced DSP is integrated into the chip for signal processing. The chip can be programmed via I2C interface, and the user-selectable functions have 4 power modes, output pull-up or pull-down, touch timeout setting, output (direct/lock/switch) mode setting, distance and touch sensitivity settings.
3. Specially built for magnetic charging treasure, Ganzhou Novy New Energy launched a high-voltage lithium battery
The high-voltage battery model launched by Ganzhou Nuowei New Energy is 645464, with a length of 63.4mm, a width of 53.8mm, a thickness of 6.55mm, and a nominal capacity of 4000mAh. Support 0.8C charging, 1.3C discharge, charging limit voltage of 4.4V, average voltage of 3.85V. Compared with the traditional widely used 4.2V lithium battery, it can release more energy and is suitable for small-volume mobile power supply.
<h1 class="pgc-h-arrow-right" data-track="187" > reference design</h1>
1, iPhone 13 fast charging small steel gun, Hongguang Shengye launched a 30W gallium nitride mini charging program, power density broke 1
Hongguang Shengye 30W Gallium Nitride Mini Charge adopts high-density design, the square shape is close to Apple 5W, the overall appearance design is neutral and convenient for customer OEMs, and the shell surface is treated with a white glossy process, and it seems that it is completely unconvinced that this charger has a 30W high-power output. Measured Hongguang Shengye 30W gallium nitride mini charging three-dimensional size, respectively, 31.18mm X 32.47mm X 31.7mm, weight 51.4g, according to the maximum output power of 33W, its power density reached 1.02W / cm³, breaking through the industry mark of 1 watt per cubic centimeter.
2. Core trunk line launched 130W and 200W gallium nitride + silicon carbide fast charging scheme
The core trunk 130W PD fast charge uses the XG6508B8 650V pressure-resistant E-mode gallium nitride power device with three core trunks, and the silicon carbide diode is also from the core trunk, model XD6504D. The main power control scheme comes from TI, the PFC controller is UCC28056, and the LLC controller is UCC256404. The synchronous rectifier controller is ON Semiconductor NCP4306, and the synchronous rectifier tube is Hengtaike HGN090N06SL.
Core trunk 200W PD fast charging also adopts the topology of PFC+LLC, the output voltage is fixed 20V, the output ripple < 150mVp-p, supports 100-240V wide voltage input, full load efficiency is higher than 95%, PF >0.94. The size is 80*65*25mm, and the power density is 1.54W/cm³.
Charging head net summary
Recently, there are many blockbuster products, such as power chips: the world's first power chip with integrated PD fast charging protocol released by PI, the combined ganium nitride main control chip of Maorui Core, the combined ganium nitride chip launched by Angbao, etc.; the DC-DC chip has a series of fast charging chips launched by Yingji Core for power tools, and the first 100W high-power charging treasure chip released by Zhirong; the gaN fast charging market also has new faces such as Ingaton and Green Core.
In addition, in the wireless charging chip, protocol chip, USB4 chip and gallium nitride fast charging and other fields, there are corresponding new products, you can click on the blue font in the text for details.
This issue of "Monthly Core" is introduced here, and the next issue will continue to share with you!