# BQ25622RYKR (Component) ## Description Charger IC Lithium Ion/Polymer 18-WQFN-HR (3x2.5) The BQ25622RYKR is a highly integrated standalone switch-mode battery charge management and system power-path management device designed for single-cell lithium-ion and lithium-polymer batteries. The device integrates a high-efficiency synchronous buck charger, system power-path control, input current management, and battery protection functions into a compact solution optimized for portable and embedded applications. The device supports USB and external adapter power sources while providing programmable charging parameters through an I²C interface. Integrated power MOSFETs and advanced power management features reduce external component count and improve overall system efficiency. The charger incorporates dynamic power management, thermal regulation, battery temperature monitoring, and multiple safety protections to ensure reliable operation under varying load and environmental conditions. The BQ25622 family is designed for compact battery-powered systems requiring efficient charging, intelligent power-path control, and low system power consumption. Engineering Specification Manufacturer: Texas Instruments Device Type: Single-Cell Li-Ion/Li-Polymer Switching Battery Charger with Integrated Power-Path Management Battery Chemistry Support: Lithium-Ion and Lithium-Polymer Charging Topology: Synchronous Buck Switching Charger Input Power Sources: USB Input and External DC Adapter Support Charge Current Capability: Programmable Fast Charge Current Support Communication Interface: I²C Serial Communication Interface Integrated Power Devices: Internal High-Side and Low-Side MOSFETs Charging Features: Precharge Mode Fast Charge Mode Charge Termination Automatic Recharge Programmable Charge Parameters Safety Timer Control Power Management Features: Dynamic Power-Path Management Input Current Optimization Narrow Voltage DC Regulation Input Voltage Regulation System Voltage Regulation Monitoring and Reporting Features: Charge Status Monitoring Fault Status Reporting Battery Temperature Monitoring through NTC Interface Input Source Detection Protection Features: Input Overvoltage Protection Battery Overvoltage Protection Thermal Shutdown Protection Thermal Regulation Input Current Limiting Short-Circuit Protection Safety Timer Protection Package Type: WQFN Package Package Variant: RYK Mounting Type: Surface Mount Typical Applications: Portable Consumer Electronics Embedded Battery-Powered Devices IoT Systems Handheld Industrial Equipment USB-Powered Systems Wearable Electronics Portable Medical Devices #commonpartslibrary #integratedcircuit #powermanagement #batterycharger ## Component Details - **Owner:** adrian95 - **Created:** 5/21/2026 - **Last Updated:** 5/26/2026 - **Visibility:** Public - **Manufacturer Name:** Texas Instruments - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/bq25622.pdf - **Manufacturer Part Number:** BQ25622RYKR - **Symbol Style:** parametric-v1 - **Part Type:** Integrated Circuit - **License:** https://creativecommons.org/licenses/by/4.0/ ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/bq25622rykr/texas-instruments?utm_currency=USD&region=asia) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/C6135214.html) | $3.1296 | 35 | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/BQ25622RYKR?qs=IPgv5n7u5QavuZqC3bOEnw%3D%3D) | $3.17 | 3K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** BQ25622RYKR - **Mount Type:** Surface Mount - **Package / Case Code:** WQFN - **Pin Count:** 18 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 17 | PMID | | | 9 | SYS | | | 16 | SW | | | 18 | VBUS | | | 1 | BTST | | | 8 | BAT | | | 14 | ~CE | | | 6 | TS | | | 2 | REGN | | | 5 | TS_BIAS | | | 13 | SCL | | | 12 | SDA | | | 3 | PG | | | 11 | ~INT | | | 4 | ILIM | | | 7 | ~QON | | | 10 | STAT | | | 15 | GND | | --- *Generated from [https://www.flux.ai/adrian95/bq25622rykr~ze8](https://www.flux.ai/adrian95/bq25622rykr~ze8)*