ZHCSZ21A October 2025 – December 2025 BQ25690
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 引腳配置和功能
- 5 規(guī)格
-
6 詳細說明
- 6.1 概述
- 6.2 功能方框圖
- 6.3
特性說明
- 6.3.1 器件上電復(fù)位
- 6.3.2 僅電池上電狀態(tài)
- 6.3.3 器件高阻態(tài)狀態(tài)
- 6.3.4 為 REGN LDO 上電
- 6.3.5 默認 VINDPM 設(shè)置
- 6.3.6 具有 CELL、ICHG 和 VCHG 引腳的默認充電曲線設(shè)置
- 6.3.7 降壓/升壓轉(zhuǎn)換器運行
- 6.3.8 正向（灌電流）運行
- 6.3.9 反向（拉電流）模式 (USB On-The-Go)
- 6.3.10 狀態(tài)輸出（、STAT 和 INT）
- 6.3.11 串行接口
- 6.4 器件功能模式
- 6.5 寄存器映射
- 7 應(yīng)用和實施
- 8 器件和文檔支持
- 9 修訂歷史記錄
- 10機械、封裝和可訂購信息
5.7 典型特性
CVIN = 10*4.7μF，CSYS= 6*4.7μF，CBAT = 4*4.7μF，L1 = 10μH (SRP5050FA-100M)
| VBAT = 8V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 24V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 16.8V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBUS = 20V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 20V | VBUS = 20V |
| VBUS = 20V | EN_PFM = 1 | EN_PFM_OOA = 1 |
| VBUS = 20V | VBAT = 16V | VSYSMIN = 16.2V |
| EN_PFM = 1 | EN_PFM_OOA = 1 |
| VBAT = 16V |
| VBAT = 16V | VIN_REV = 5V | EN_PFM = 1 |
| EN_PFM_OOA = 1 |
| VBUS = 20V | ISYS = 1A | EN_CHG = 0 |
| VBAT > VSYSMIN |
| VBAT = 16V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 8.4V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 25.2V | fsw = 450kHz | EN_PFM = 1 |
| EN_PFM_OOA = 0 |
| VBAT = 29.4V | VBUS = 28V | EN_PFM = 1 |
| EN_PFM_OOA = 1 |
| VBAT = 21V | VIN_REV = 20V |
| VBUS = 20V | VBAT = 16V | EN_PFM = 1 |
| EN_PFM_OOA = 1 | VSYSMIN = 5V |
| VBUS = 20V | VBAT = 16V |
| VBAT = 16V | IBUS = 1A | EN_PFM = 1 |
| EN_PFM_OOA = 1 |
| VBUS = 20V | ISYS = 1A | EN_CHG = 0 |
| VBAT < VSYSMIN |