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HM5563A bảng dữ liệu(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM5563A bảng dữ liệu(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
4 / 11 page ______________________________________ ____________________________________________________ _________________________ _ Overcharge Voltage Detection Delay Time tCU 130 200 mS Overdischarge Voltage Detection Delay Time tDL 40 60 mS Overdischarge Current Detection Delay Time *tIOV VDD=3.6V 10 20 mS Load Short-Circuiting Detection Delay Time *tSHOR T VDD=3.6V 75 150 uS Note: * ---The parameter is guaranteed by design. Figure 3. Functional Block Diagram FUNCTIONAL DESCRIPTION The HM5563A monitors the voltage and current of a battery and protects it from being damaged due to overcharge voltage, overdischarge voltage, overdischarge current, and short circuit conditions by disconnecting the battery from the load or charger. These functions are required in order to operate the battery cell within specified limits. The device requires only one external capacitor. The MOSFET is integrated and its RSS(ON) is as low as 35mΩ typical. Normal operating mode If no exception condition is detected, charging and discharging can be carried out freely. This condition is called the normal operating mode. Overcharge Condition When the battery voltage becomes higher than the overcharge detection voltage (VCU) during charging under normal condition and the state continues for the overcharge detection delay time (tCU) or longer, the HM5563A turns the charging control FET off to stop charging. This condition is called |
Số phần tương tự - HM5563A |
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Mô tả tương tự - HM5563A |
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