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AXP171 数据表(PDF) 13 Page - List of Unclassifed Manufacturers |
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AXP171 数据表(HTML) 13 Page - List of Unclassifed Manufacturers |
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13 / 41 page ![]() VQ.QW WPPIQPWE CC Confidential Page 13/41 Enhanced single Cell Li-Battery and Power System Management IC AXP171 7.管脚定义(Pin Description) Num Name Type Condition Function Description 1 IRQ/ N_CHGEN O SIEN=1 IRQ output I SIEN=0 It is charger enable pin GND -charger enable; High-charger disable 2 SDA/ N_HOLDEN IO SIEN=1 TWSI Data Signal,pull high to 3.3V IO Power through an 2.2K Resistor I SIEN=0 N_HOLDEN: GND-Hold enable; High-not hold 3 SCK I TWSI Clock Signal,pull high to 3.3V IO Power through an 2.2K Resistor 4 PWROK O Power good indication 5 VIN2 PI DCDC2 input source 6 LX2 IO Inductor Pin for DCDC2 7 PGND2 G NMOS Ground for DCDC2 8 DCDC2 I DC-DC2 feedback pin 9 LDO3 O Output Pin of LDO3 10 LDO2 O Output Pin of LDO2 11 LDOIN PI Input to LDO2 and LDO3 12 LDO4 I Output Pin of LDO4 13 APS PI Internal Power Input 14 PWRON I Power On-Off key input,Internal 100k pull high to APS 15 BIAS IO External 200Kohm 1% resistor 16 VREF O Internal reference voltage,1.25V 17 VINT PO Internal logic power, 2.5V 18 PWREN I Power Rail Enable Signal 19 LDO1 O LDO1 output,for Host RTC block 20 VBUS PI USB VBUS input 21 ACIN PI Adapter input 22,23 BAT IO Main Battery 24 CHGLED O charger status indication 25 TS I Battery Temperature sensor input or an external ADC input 26,27 IPSOUT PO System power source 28 EXTEN O External power module enable 29 VIN1 PI DCDC1 input source 30 LX1 IO Inductor Pin for DCDC1 31 PGND1 G NMOS Ground for DCDC1 32 DCDC1 I DCDC1 feedback pin 33 GND G Thermal Ground 批注 [j3]: 新增 |
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