
Ai camera
maxlab-io/tokay-lite-pcb
Tokay AI Camera - ESP32 camera development board

The TP4057-42-SOT26-R is a battery Management made by TOPPOWER in a SOT-23-6 package with 6 pins. -40℃~+85℃ 1 4.2V 40uA 4V~9V 500mA Charging IC Lithium Battery Not supported Not supported SOT-23-6 Battery Management ROHS.
PCBKit's library has its KiCad symbol (Battery_Management:TP4057, from KiCad's library) and its footprint (Package_TO_SOT_SMD:TSOT-23-6, from KiCad's library), ready for a KiCad board. 29,888 are in stock at JLCPCB (part C12044). 11 open-source boards in 10 repositories on GitHub use it.
| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| 输入电源电压 VCC | min -0.3 · max 9 V | 2 | |
| PROG PROG | Maximum VCC+0.3V | min -0.3 V | 2 |
| BAT BAT | min -4.2 · max 7 V | 2 | |
| CHRG CHRG | min -0.3 · max 10 V | 2 | |
| BAT 引脚电流 | max 500 mA | 2 | |
| PROG 引脚电流 | max 800 uA | 2 | |
| 最大结温 | max 145 ℃ | 2 | |
| 工作环境温度范围 | min -40 · max 85 ℃ | 2 | |
| 贮存温度范围 | min -65 · max 125 ℃ | 2 | |
| 引脚温度 | 焊接时间 10 秒 | max 260 ℃ | 2 |
| 输入电源电压 VCC | 整个工作温度范围 | min 4 · typ 5 · max 9 V | 3 |
| 输入电源电流 ICC | 充电模式,RPROG=10K;VCC=5V;整个工作温度范围 | typ 150 · max 500 uA | 3 |
| 输入电源电流 ICC | 待机模式(充电终止);VCC=5V;整个工作温度范围 | typ 40 · max 100 uA | 3 |
| 输入电源电流 ICC | 停机模式(RPROG 未连接,VCC<VBAT,或 VCC<VUV);整个工作温度范围 | typ 40 · max 100 uA | 3 |
| BAT 引脚电流 IBAT | RPROG=10K,电流模式;Vbat=4.0v;VCC=5V;整个工作温度范围 | min 90 · typ 100 · max 110 mA | 3 |
| BAT 引脚电流 IBAT | RPROG=2K,电流模式;Vbat=4.0v;VCC=5V;整个工作温度范围 | min 380 · typ 400 · max 420 mA | 3 |
| BAT 引脚电流 IBAT | RPROG=1.6K,电流模式;Vbat=4.0v;VCC=5V;整个工作温度范围 | min 480 · typ 500 · max 520 mA | 3 |
| BAT 引脚电流 IBAT | 待机模式,VBAT=4.2V;TA=25℃;VCC=5V | typ -2.5 · max -6 uA | 3 |
| BAT 引脚电流 IBAT | 睡眠模式,VCC=0V;Vbat=4.0v;TA=25℃ | typ -1 · max -2 uA | 3 |
| 涓流充电电流 ITRIKL | VBAT<VTRIKL,RPROG=10K;VCC=5V;整个工作温度范围 | min 10 · typ 15 · max 20 mA | 3 |
| 涓流充电门限电压 VTRIKL | RPROG=10K,VBAT 上升;TA=25℃;VCC=5V | min 2.8 · typ 2.9 · max 3 V | 3 |
| 涓流充电迟滞电压 VTRHYS | RPROG=10K;TA=25℃;VCC=5V | min 60 · typ 80 · max 100 mV | 3 |
| VCC 欠压闭锁门限 VUV | 从 VCC 低至高;整个工作温度范围 | min 3.4 · typ 3.6 · max 3.8 V | 3 |
| VCC 欠压闭锁迟滞 VUVHYS | 整个工作温度范围 | min 150 · typ 200 · max 300 mV | 3 |
| 手动停机门限电压 VMSD | PROG 引脚电平上升;VCC=5V;整个工作温度范围 | min 3.4 · typ 3.5 · max 3.6 V | 3 |
| 手动停机门限电压 VMSD | PROG 引脚电平下降;VCC=5V;整个工作温度范围 | min 1.9 · typ 2 · max 2.1 V | 3 |
| VCC-VBAT 闭锁门限电压 VASD | VCC 从低到高;TA=25℃ | min 60 · typ 100 · max 140 mV | 3 |
| VCC-VBAT 闭锁门限电压 VASD | VCC 从高到低;TA=25℃ | min 5 · typ 30 · max 50 mV | 3 |
| C/10 终止电流门限 ITERM | RPROG=10K;VCC=5V;整个工作温度范围 | min 8 · typ 10 · max 12 mA | 3 |
| C/10 终止电流门限 ITERM | RPROG=1.66K;VCC=5V;整个工作温度范围 | min 30 · typ 40 · max 50 mA | 3 |
| PROG 引脚电压 VPROG | RPROG=10K,电流模式;VCC=5V;整个工作温度范围 | min 0.9 · typ 1 · max 1.1 V | 3 |
| CHRG 引脚漏电流 I CHRG | VCHRG =5V(待机模式);TA=25℃;VCC=5V | typ 0 · max 1 uA | 3 |
| CHRG 引脚输出低电压 VCHRG | ICHRG =5mA;TA=25℃;VCC=5V | typ 0.3 · max 0.6 V | 3 |
| 引脚漏电流 | VSTDBY =5V(待机模式);TA=25℃;VCC=5V | typ 0 · max 1 uA | 4 |
| 引脚输出低电平 VSTDBY | ISTDBY =5mA;TA=25℃;VCC=5V | typ 0.3 · max 0.6 V | 4 |
| 再充电电池门限电压 ΔVRECHRG | VFLOAT-VRECHRG;TA=25℃;VCC=5V | min 100 · typ 150 · max 200 mV | 4 |
| 限定温度模式中的结温 TLIM | TA=25℃;VCC=5V | typ 120 ℃ | 4 |
| 功率 FET“导通”电阻 RON | 在 VCC 与 BAT 之间;TA=25℃;VCC=5V | typ 650 mΩ | 4 |
| 软启动时间 tss | IBAT=0 至 IBAT=1000V/RPROG;TA=25℃;VCC=5V | typ 20 ms | 4 |
| 再充电比较器滤波时间 tRECHARGE | VBAT 高至低;TA=25℃;VCC=5V | min 0.8 · typ 1.8 · max 4 ms | 4 |
| 终止比较器滤波时间 tTERM | IBAT 降至 ICHG/10 以下;TA=25℃;VCC=5V | min 0.8 · typ 1.8 · max 4 ms | 4 |
| PROG 引脚上拉电流 IPROG | TA=25℃;VCC=5V | typ 2 uA | 4 |
| Pin | Name | Type |
|---|---|---|
| 1 | CHRG | Open collector |
| 2 | GND | Power in |
| 3 | BAT | Power out |
| 4 | V_{CC} | Power in |
| 5 | STDBY | Open collector |
| 6 | PROG | Passive |

maxlab-io/tokay-lite-pcb
Tokay AI Camera - ESP32 camera development board


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<iframe src="https://pcbkit.io/embed/parts/toppower/TP4057-42-SOT26-R" title="TP4057-42-SOT26-R in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/toppower/TP4057-42-SOT26-R.jpg" alt="TP4057-42-SOT26-R" width="1200" height="900">[](https://pcbkit.io/parts/toppower/TP4057-42-SOT26-R)Yes. The symbol is Battery_Management:TP4057 and the footprint Package_TO_SOT_SMD:TSOT-23-6, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOT-23-6, with 6 pins. Its footprint is drawn on this page.
TOPPOWER publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C12044, with 29,888 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the TP4057 by UMW, the DW01A by PUOLOP, the DW01-A/J by Shenzhen Fuman Elec and the DW01A by YONGYUTAI. Check their datasheets: a part that fits the footprint may still differ in its ratings.
11 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.