BQ25188
- 1A linear battery charger
- 3.0V to 18V input voltage operating range for battery-to-battery charging, USB adapters, and high impedance sources.
- Configurable battery regulation voltage with 0.5% accuracy from 3.6V to 4.65V in 10mV steps
- Li-ion, Li-Poly, and LiFePO4 chemistries support
- 5mA to 1A configurable fast charge current
- 55mΩ battery FET ON resistance
- Up to 3A discharge current to support high system loads
- Configurable NTC charging profile thresholds including JEITA support
- Power path management for powering the system and charging the battery
- Regulated system voltage (SYS) ranging from 4.4V to 5.5V addition to battery voltage tracking
- Battery Tracking input voltage dynamic power management (VINDPM) for high impedance input sources
- Ultra low quiescent current
- 15nA Shutdown mode
- 3.2µA Ship mode with button press wake
- 4µA in Battery Only mode
- 30µA Input adapter Iq in sleep mode
- One push-button wake-up and reset input
- Integrated fault protection
- Input overvoltage protection (VIN_OVP)
- Battery short protection (BATSC)
- Battery overcurrent protection (BATOCP)
- Input current limit protection (ILIM)
- Thermal regulation (TREG) and thermal shutdown (TSHUT)
- Battery thermal fault protection (TS)
- Watchdog and safety timer fault
The BQ25188 is a linear battery charger IC focusing on small solution size and low quiescent current for extending battery life. The device is available in an 8-ball chipscale package which does not need HDI PCB process for fabrication thereby reducing the PCB cost. The device can support up to 1A charging and system loads of up to 3A.
The battery is charged using a standard Li-ion or LiFePO4 charge profile with three phases: precharge, constant current and constant voltage. Thermal regulation provides the maximum charge current while managing the device temperature. The charger is also optimized for battery to battery charging with 3V minimum input voltage operation and can withstand 25V absolute maximum line transients. The charger offers a wide operational VIN range for high impedance sources such as solar cells and wireless power. The device integrates a single push-button input to reduce the total solution footprint.
技術資料
種類 | タイトル | 最新の英語版をダウンロード | 日付 | |||
---|---|---|---|---|---|---|
* | データシート | BQ25188 I2 C Controlled, 1-Cell, 1A Linear Battery Charger with Power Path, Ship Mode, Shutdown Mode, Battery Tracking VINDPM, and Wide VIN Support データシート | PDF | HTML | 2024年 11月 19日 | ||
EVM ユーザー ガイド (英語) | BQ25188 Evaluation Module User's Guide | PDF | HTML | 2024年 10月 29日 |
設計および開発
その他のアイテムや必要なリソースを参照するには、以下のタイトルをクリックして詳細ページをご覧ください。
BQ25188EVM — BQ25188 の評価基板
パッケージ | ピン数 | CAD シンボル、フットプリント、および 3D モデル |
---|---|---|
DSBGA (YBG) | 8 | Ultra Librarian |
購入と品質
- RoHS
- REACH
- デバイスのマーキング
- リード端子の仕上げ / ボールの原材料
- MSL 定格 / ピーク リフロー
- MTBF/FIT 推定値
- 使用原材料
- 認定試験結果
- 継続的な信頼性モニタ試験結果
- ファブの拠点
- 組み立てを実施した拠点
推奨製品には、この TI 製品に関連するパラメータ、評価基板、またはリファレンス デザインが存在する可能性があります。