RT9519A Просмотр технического описания (PDF) - Richtek Technology
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производитель
RT9519A Datasheet PDF : 17 Pages
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APPM Profile
1.5A Mode :
VIN 5V
VSYS 4.4V
VAPPM 4.2V
VBAT 4.0V
RT9519A
T1, T7
T2, T6
T3, T5
T4
3A
2A
IBAT 1A
ISYS 0
IVIN -1A
-2A
-3A
T1 T2 T3
T4
T5 T6
T7
ISYS
0
< IVIN_OC − CHG_MAX
> IVIN_OC − CHG_MAX
< IVIN_OCs
> IVIN_OC
VSYS
SYS Regulation Voltage
SYS Regulation Voltage
IVIN
CHG_MAX
ISYS + CHG_MAX
IBAT
CHG_MAX
CHG_MAX
Auto Charge Voltage Threshold
VIN _OC
VIN_OC − ISYS
VBAT − IBAT x RDS(ON)
VIN _OC
ISY S−IVI N_OC
USB 500mA Mode :
VUSB 5V
VSYS 4.4V
VAPPM 4.2V
VBAT 4.0V
0.75A
0.5A
IBAT 0.25A
ISYS
0
IUSB -0.25A
-0.5A
-0.75A
T1, T7
T2, T6
T3, T5
T4
T1
ISYS
0
< IVIN_OC (USB) − CHG_MAX
> IVIN_OC (USB) − CHG_MAX
< IVIN_OC (USB)
> IVIN_OC (USB)
T2 T3
T4
T5 T6
T7
VSYS
SYS Regulation Voltage
SYS Regulation Voltage
Auto Charge Voltage
Threshold
VBAT − IBAT x RDS(ON)
IUSB
CHG_MAX
ISYS + CHG_MAX
IBAT
CHG_MAX
CHG_MAX
IVIN_OC (USB) IVIN_OC (USB) − ISYS
IVIN_OC (USB) ISYS − IVIN_OC (USB)
DS9519A-02 April 2011
www.richtek.com
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