PM6613N datasheet(22/30 Pages) STMICROELECTRONICS

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The PM6613N registers

PM6613N

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DocID024974 Rev 3

The PM6613N registers

5.1

Charge option register (CHRG_OPT)

Address: 0x12

Reset value: 0x7101

•

Bit 15 AD: ACOK deglitch

–

set by software to enable a delay for the adapter insertion

–

0: the PM6613N waits for 250 ms for adapter voltage detection

–

1: the PM6613N waits for a time < 50

μs for adapter voltage detection

•

Bit [14:13] WD: watchdog

–

set by software to enable and select the timeout of the PM6613N watchdog

–

00: watchdog disabled

–

01: enabled, timeout at 44 sec.

–

10: enabled, timeout at 88 sec.

–

11: enabled, timeout at 175 sec.

•

Bit 12 BSE: BATFET sleep enabled

–

set by software to control the BATFET selector behavior, when the PM6613N is in

sleep mode

–

0: BATFET disabled during sleep mode

–

1: BATFET enabled during sleep mode

•

Bit 11 PF: PWM frequency

–

set by software to select the working PWM frequency of the buck converter

–

0: PWM frequency set to 700 kHz

–

1: PWM frequency set to 350 kHz

•

Bit 10 EFA: EMI frequency adjustments

–

set by software in order to increase or decrease by 15% the PWM frequency of the

buck converter when EE bit is enabled

–

0: PWM frequency decreased by 15%

–

1: PWM frequency increased by 15%

Table 16. CHRG_OPT 0x12

WD[1:0]

BSE

EFA

AM[1:0]

SOVR BED ARED

Res

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