Datasheet

DCDC2
STEP-DOWN
CONVERTER
SerialInterface
SCLK
SDAT
DCDC3
STEP-DOWN
CONVERTER
VLDO1
VLDO2
200-mA LDO
200-mA LDO
THERMAL
SHUTDOWN
CONTROL
VINDCDC2
L2
VDCDC2
DEFDCDC2
VINDCDC3
L3
VDCDC3
VINLDO
VLDO1
VLDO2
DEFDCDC3
UVLO
VREF
OSC
HOT_RESET
RESPWRON
PWRFAIL
VCC
PGND2
PGND3
AGND2
AGND1
DEFLDO2
DEFLDO1
DCDC1
STEP-DOWN
CONVER TER
VINDCDC1
L1
VDCDC1
DEFDCDC1
PGND1
INT
PWRFAIL_SNS
VRTC
VBACKUP
DCDC1_EN
DCDC3_EN
BBAT
SWITCH
VSYSIN
LOWBAT_SNS
LDO_EN
DCDC2_EN
TRESPWRON
LOW_BATT
VCC
TPS65022
www.ti.com SLVS667A –JULY 2006– REVISED SEPTEMBER 2011
FUNCTIONAL BLOCK DIAGRAM
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