STBCFG01 datasheet(28/37 Pages) STMICROELECTRONICS

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I²C compatible interface registers

STBCFG01

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DocID026474 Rev 3

Table 21: CHG_Cfg4 register format (register address: 93h)

POR

R/W

RID_STAT

LDO_en

LDO_UVLO_th

PreB_en

THRML

TFAST

TPRE

4Fh

R/W

TPRE: pre-charge timer enable



0: disabled



1: enabled (default)

TFAST: fast charge timer enable



0: disabled



1: enabled (default)

THRML: thermal loop enable (this bit can be masked through OTP)



0: disabled



1: enabled (default)

PreB_en: pre-bias function enable



0: disabled



1:enabled (default)

WD: watchdog timer function enable



0: disabled (default)



1: enabled

LDO_UVLO_th: LDO UVLO threshold



0:3.6 V rising, 3.5 V falling (default)



1: 4.75 V rising, 4.65 V falling

LDO_en: LDO output enable



0: LDO output disabled



1:LDO output enabled (default)

RID_STAT: RID status (read only)



0: RID connected



1: RID disconnected

Table 22: CHG_Cfg5_OTG_Status register format (register address: 94h)

POR

R/W

BST_SH

BST_status

DICHG_adj

FSW

CHG_rst

06h

R/W

b0, b1, b2 are R/W; b4, b5, b6, b7 are read status bit only.

CHG_rst: charger reset, all charger registers to POR value. Self-clearing.



0: no action (default)



1: reset charger

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