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P9222-R

过时

Wireless Power Receiver for Low Power Applications

特性

  • Ultra-compact, efficient wireless power receiver for up to 5W applications
  • WPC 1.2 Qi Baseline Power Profile (BPP) compatible
  • Optimized light load efficiency for low-power applications
  • Ping detection for reduced power consumption at the end of charging
  • Low undervoltage lockout (UVLO) for low-voltage start-up for faster connections over an extended area
  • ASK and FSK modulation/demodulation for bidirectional communication: Rx-to-Tx and Tx-to-Rx
  • Easy configuration of design parameters through I²C interface on an external EEPROM
  • ADC input to measure battery voltage or system voltage
  • Embedded 32-bit Arm Cortex-M0 processor
  • Internal overvoltage clamping
  • Low standby and operating mode power consumption
  • High-performance low dropout (LDO) regulator with low RDS(on) and programmable current limiting
  • Supports I²C slave/master mode
  • 40-WLCSP: 5 x 8 ball array, 2.28mm x 3.38mm, 0.4mm pitch
P9222-R - Block Diagram
P9222-R - Pinout (ball view)
P9222-R - Application Diagram
P9222-R - Block Diagram
P9222-R - Block Diagram
P9222-R - Pinout (ball view)
P9222-R - Application Diagram

描述

The P9222-R is an integrated single-chip wireless power receiver IC (Rx) for up to 5W applications. The P9222-R is highly efficient at light loads and very well-suited for low-power applications such as earbud case charging. A unique Ping detect feature gives the user an early indication of the wireless charger connection and improves thermal performance at the end of complete battery charging. A low undervoltage lockout (UVLO) threshold allows the receiver to start up even with a weaker digital ping strength signal from a transmitter over an extended area.

The device includes over-temperature and undervoltage/overvoltage protection. The internal overvoltage clamping protects the rectifier output from rising above the overvoltage level when the receiver is quickly moved from a low-coupling position to a high-coupling position. The integrated 32-bit Arm® Cortex®-M0 processor offers a high level of programmability and design parameters that can be easily configured through the I²C interface or an external EEPROM.

The P9222-R is available in a RoHS ultra-small WLCSP-40 package and it is rated for a -40 °C to +85 °C ambient operating temperature range.

应用

  • Wireless earbud case charging
  • Wearables and fitness trackers
  • Mobile devices
  • Hearing aids case charging
Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeMoisture Sensitivity Level (MSL)
P9222-RAZGI8ObsoleteN/AOut of StockWLCSP40#IYesReel1
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筛选

    推荐文档 (1)

  1. 数据手册
    英语
    P9222-R/RN Datasheet
    RECOMMENDED
    PDF 3.42 MB 2022年5月05日

    数据手册 (1)

  1. 数据手册
    英语
    P9222-R/RN Datasheet
    RECOMMENDED
    PDF 3.42 MB 2022年5月05日

    应用说明和白皮书 (5)

  1. 应用说明
    英语
    WLCSP Implementation Guidelines
    PDF 810 KB R31AN0033EU0101 Rev.1.01 2023年1月21日
  2. 应用说明
    英语
    Wireless Power Transmission Resonance LC Calculations
    登录后下载 PDF 3.74 MB 7WDXRDKU4E7E-5-56629 2018年6月12日
  3. 应用说明
    英语
    P9222 Layout Guidelines
    PDF 1.28 MB 2018年1月17日
    AI 生成的摘要: The guide details optimal PCB layout practices for the P9222 wireless power receiver, emphasizing component placement by circuit function to maximize performance within a compact 37mm² area. It prioritizes wide power traces, solid ground planes, and thermal management through vias-in-pad and thermal tabs. Critical components such as VRECT, LDO, BST, resonance, and communication capacitors are placed in a specific order near the IC to minimize noise and heat. The document highlights the importance of minimizing current loop areas, using low ESR capacitors, and maintaining continuous copper planes for heat dissipation. Layer usage recommendations include solid ground planes under the IC and concentrated routing layers to enhance thermal performance and signal integrity.
  4. 白皮书
    英语
    Tuning Qi and AirFuel / PMA Inductive Resonance Circuits for Optimal Efficiency
    PDF 627 KB 7WDXRDKU4E7E-5-61641 2017年5月10日
    Wireless power transfer uses an air-core transformer with separate transmitter and receiver coils, making accurate performance modeling difficult due to low magnetic coupling and increased losses. This paper addresses simulation challenges and describes methods to approximate circuit behavior. It demonstrates best practices for tuning Qi and PMA inductive resonance circuits to maximize charging efficiency for mobile devices.
  5. 应用说明
    英语
    AN956 Automatic Wireless Power and Wired Charging Switching Circuitry
    PDF 301 KB 2017年2月02日
    AI 生成的摘要: The document explains a circuit design that automatically switches between wireless charging and wired charging (via USB or AC adaptors) for portable devices. It ensures seamless power source selection without energy loss or performance degradation. The design uses two P-Channel MOSFETs controlled by the power source and the enable pin of the wireless receiver IC to prevent leakage currents and conflicts between power supplies. Detailed operational scenarios illustrate how the circuit manages transitions between power sources. Proper component selection and timing adjustments optimize efficiency and reliability. The document includes efficiency data and practical guidance for implementation.

    产品通告（产品变更、EOL 等） (4)

  1. EOL 通告
    英语
    PLC# : 250026 End-of-Life (EOL) process on select part numbers
    PDF 824 KB 2025年7月02日
  2. 产品变更通告
    英语
    PCN# : 210029 Add Alternate Bumping Location on WLCSP-40
    PDF 108 KB 2022年3月01日
  3. 产品变更通告
    英语
    PCN# : PCN20007-R1 Retraction of PCN20007
    PDF 83 KB 2020年9月17日
  4. 产品变更通告
    英语
    PCN# : PCN20007 Add Alternate Bumping Location on WLCSP-40
    PDF 104 KB 2020年7月30日
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