TPS657120 Datasheet, PDF (2/63 Pages) Texas Instruments – PMU for Baseband and RF-PA Power

TPS657120
SLVSBO3A – DECEMBER 2013 – REVISED DECEMBER 2015
1.4 Functional Block Diagram
C2V5
1uF
TPS657120
POWER
CONTROL
SDATA
SCLK
MIPI RFFE
i/f
DCDC1
300mA
10uF
VINDCDC1/2
Q12
2.2uH
SW1
Q13
VDCDC1
PGND1/2
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1.7V
10uF
VIN
RF transceiver
low voltage supply
VCON_DCDC3
DCDC3_SEL
CLK_REQ1
CLK_REQ2
PWRON
VDDIO
GPIO0 (nReset)
GPIO1 (ADR_SELECT)
GPIO
VIN_ANA / VINLDO2
VIN
1uF
100nF
VREF1V0
AGND
BIAS
Thermal
shutdown
DCDC2
Q22
SW2
2.2uH
250mA
Q23
VDCDC2
2.65V
RF transceiver
high voltage supply
10uF
DCDC3
2A
BYPASS
switch
22uF
VINDCDC3
VIN
Q22
SW3
1.5uH
0.1V to 3.8V
RF-PA supply
Q23
VDCDC3
4.7uF 2.2uF
PGND3
2.2uF are placed at the
input of the RF-PA
LDO1
(1.2V-3.3V, 50mV
step @10mA)
Low noise
VINLDO1
VLDO1
1uF
LDO2
(1.2V-3.3V, 50mV
step @10mA)
Low noise
VLDO2
VIN
1.8V
4.7uF
2.8V
4.7uF
Figure 1-1. Functional Block Diagram
2
Device Overview
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