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AXP288D датащи(PDF) 51 Page - Shenzhen X-Powers Technology Co ., Ltd |
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AXP288D датащи(HTML) 51 Page - Shenzhen X-Powers Technology Co ., Ltd |
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51 / 110 page ![]() AXP288 PMIC Optimized For Multi-Core High-Performance System AXP288 Datasheet V1.06 Copyright © 2014 X-Powers Limited. All Rights Reserved. 51 10: 25% 2Hz toggle 11: drive low Bit 3 CHGLED pin control 0: controlled by REG 32H[5:4] 1: controlled by Charger RW 0 Charge LED indicator Table 9-32 CHGLED pin Mode A Mode B Z (tri-state) Not charging Not charging due to 1. no external power source or 2. external power source is insufficient and battery is discharging 25% duty 1Hz (Z/Low) Abnormality alarm due to 1. charger timeout or 2. IC temperature > warning level 2) Charging 25% duty 4Hz (Z/Low) Overvoltage alarm ( VBUS > 6.3V) Alarm due to 1. VBUS > 6.3V or 2. charger timeout or 3. IC temperature > warning level 2) Low Charging Not charging due to battery is fully charged 9.4.5 Battery detection When the VBATSENSE<2.2V, AXP288 judge it as battery is not present. When VBATSENSE goes higher than 2.2V, it indicates battery present or is inserted. For the case of battery insertion or removal, IRQ will be asserted. Battery presence status is indicated in REG01H[5]and the battery detection function can be set by REG 32H[6]. When charger insert, AXP288 will send a pulse to detect battery is present or not per 16 seconds. |
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