TPS659121_16 datasheet(10/145 Pages) TI1

Part #	TPS659121

Description	PMU for Processor Power

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Manufacturer	TI1 [Texas Instruments]

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TPS659121, TPS659122

SWCS071B – AUGUST 2012 – REVISED APRIL 2015

www.ti.com

4.2

Default Settings

See the following list for the default output voltages for the DC-DC converters and the LDOs. For DCDC1

to DCDC4 and LDO1 to LDO4, there are two registers defining the output voltage. DCDCx_OP and

LDOx_OP is used in active mode when CONFIG2=1. With CONFIG2=0, the status of the DCDCx_SEL

pin is used to select between register _OP vs _AVS. With DCDCx_SEL=0, the _OP register defines the

output voltage while _AVS sets the output voltage when DCDCx_SEL=1. LDO1 to LDO4 can be mapped

to one of the DCDCx_SEL pins. See Section 6.11 for register DEF_VOLT_MAPPING for details.

Table 4-1. Default Settings for TPS659121

TPS659121 default output voltage setting

Converter / LDO register

for CONFIG1=LOW

for CONFIG1=HIGH

DCDC1_OP / DCDC1_AVS

0.85 V / 0.90 V

DCDC2_OP / DCDC2_AVS

1.8 V / 2.0 V

DCDC3_OP / DCDC3_AVS

3.2 V / 2.7 V

DCDC4_OP / DCDC4_AVS

0.5 V / 0.5 V

LDO1_OP / LDO1_AVS

0.85 V / 0.90 V

LDO2_OP / LDO2_AVS

0.85 V / 0.90 V

LDO3_OP / LDO3_AVS

2.85 V / 1.20 V

LDO4_OP / LDO4_AVS

1.8 V / 1.7 V

LDO5

2.7 V

LDO6

1.8 V

LDO7

3.0 V

LDO8

3.1 V

LDO9

3.0 V

LDO10

1.8 V

Table 4-2. Default Settings for TPS659122

TPS659122 default output voltage setting

Converter / LDO register

for CONFIG1=LOW

for CONFIG1=HIGH

DCDC1_OP / DCDC1_AVS

1.1 V / 1.1 V

1.2 V / 1.1 V

DCDC2_OP / DCDC2_AVS

1.8 V / 1.8 V

DCDC3_OP / DCDC3_AVS

1.1 V / 1.1 V

2.1 V / 2.0 V

DCDC4_OP / DCDC4_AVS

1.1 V / 1.1 V

3.3 V / 3.3 V

LDO1_OP / LDO1_AVS

1.7 V / 1.7 V

1.8 V / 3.0 V

LDO2_OP / LDO2_AVS

0.8 V / 0.8 V

3.0 V / 1.8 V

LDO3_OP / LDO3_AVS

0.8 V / 0.8 V

3.0 V / 3.0 V

LDO4_OP / LDO4_AVS

1.8 V / 1.8 V

1.85 V / 1.85 V

LDO5

1.8 V

1.85 V

LDO6

0.8 V

1.85 V

LDO7

1.8 V

1.85 V

LDO8

1.8 V

2.85 V

LDO9

3.3 V

1.85 V

LDO10

1.2 V

3.0 V

10

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