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2节太阳能电池用 同步整流开关充电IC_BU1840AMUVBU1840AMUV针对以2节、3节、4节太阳能电池面板对1节锂电池和3节镍氢电池充电的产品，提供最佳的系统。内置对低电压输入进行升压的功能，可以从双电池面板的电压开始升压。此外，还内置峰值功率保持功能，可发挥太阳能电池的最大功率。可通过SEL引脚选择开关频率。²还可通过接口监视充电电流。● 作为保护功能，内置热失控保护（热关断）、减压保护、输入电流保护。
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| * 本产品是标准级的产品。本产品不建议使用的车载设备。 | ||||
| 型号 | Status | 封装 | 包装数量 | 最小独立包装数量 | 包装形态 | RoHS |
|---|---|---|---|---|---|---|
| BU1840AMUV-E2 | 供应中 | VQFN024V4040 | 2500 | 2500 | Taping | Yes |
特性：
| Grade | Standard |
| Supply Voltage(Min.)[V] | 0.625 |
| Supply Voltage(Max.)[V] | 1.98 |
| ON Resistance [mΩ] | 100 |
| Operating Temperature (Min.)[°C] | -30 |
| Operating Temperature (Max.)[°C] | 85 |
特点：
- ・ Synchronous Switch-Mode Charger for 2Cell Solar 400mA@Battery=3.7V,VIN=1V
・ MPPT control voltage range：0.7V～1.5V
・ Charging current completion voltage： 5.0V (hysteresis: 0.075V)
・ Built in MPPT
・ Switching frequency (160kHz,320kHz)
・ Charging current monitor by I²C
・ UVLO-detect Voltage:0.625V
・ UVLO-release Voltage:0.700V
・ Thermal Shutdown
・ 24 pin VQFN024V4040 (4.1mm×4.1mm)
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|---|---|---|---|---|
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New Products:
技术信息
Thermal Resistance
The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.
Part Explanation
For ICs