TPS8804 datasheet(32/48 Pages) TI1

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TPS8804

SLVSF29 – OCTOBER 2019

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Table 15. COSW Register Field Descriptions (continued)

Bit

Field

Type

Reset

Description

COSWRG

R/W

CO gain resistor (output of amplifier to inverting input of amplifier)

enable

0h = Hi-Z

1h = Resistance set by COGAIN register

COSWRI

R/W

CO input resistor (inverting input of amplifier to CON pin) enable

0h = 0 Ohms

1h = 1 kOhms

COSWREF

R/W

CO reference switch enable

0h = COREF disconnected from positive input of amplifier

1h = COREF connected to positive input of amplifier

3-0

RESERVED

Reserved

7.6.12 CO Register (Offset = Dh) [reset = 0h]

CO is shown in Table 16.

Return to Summary Table.

Table 16. CO Register Field Descriptions

Bit

Field

Type

Reset

Description

REF0P3_EN

R/W

300mV reference enable

0h = Buffer disabled

1h = Buffer enabled

6-5

COREF_1:0

R/W

Reference voltage for CO amplifier

0h = 1.25mV

1h = 2.5mV

2h = 3.75mV

3h = 5mV

4-3

COGAIN_1:0

R/W

CO amplifier feedback resistance

0h = 1100 kOhm

1h = 300 kOhm

2h = 500 kOhm

3h = 800 kOhm

COTEST_DIR

R/W

CO test output direction

0h = pull-down

1h = pull-up

COTEST_EN

R/W

Enable COTEST output on PREF

0h = disabled

1h = enabled

COAMP_EN

R/W

CO amplifier control

0h = disabled

1h = enabled

7.6.13 LEDLDO Register (Offset = Fh) [reset = 0h]

LEDLDO is shown in Table 17.

Return to Summary Table.

Table 17. LEDLDO Register Field Descriptions

Bit

Field

Type

Reset

Description

7-4

RESERVED

Reserved

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