DA9213 datasheet(49/62 Pages) DIALOG

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Multi-Phase 5A/Phase DC-DC Buck Converter

Datasheet

Revision 2.2

23-Oct-2017

CFR0011-120-00

49 of 62

Bit

Type

Label

Description

110: 40 mV/µs

111: target voltage applied immediately (no soft start)

1:0

R/W

BUCKB_MODE

00: PFM/PWM mode controlled via voltage A and B

registers

01: Automatic mode

10: Buck B always operates in PWM mode

11: Automatic mode

Note 2

Settings higher than 20 mV/µs may cause significant overshoot

Bit

Type

Label

Description

0xD3

BUCK_CONF

7:5

R/W

(reserved)

R/W

PH_SH_EN_B

Enable current dependent phase shedding in PWM

for Buck B

R/W

PH_SH_EN_A

Enable current dependent phase shedding in PWM

for Buck A

R/W

PHASE_SEL_B

Phase selection for Buck B in PWM

0: 1 phase is selected

1: 2 phases are selected

1:0

R/W

PHASE_SEL_A

Phase selection for Buck A in PWM mode. Settings

>01 apply only for DA9213 otherwise the number of

phases is limited to max 2

00: 1 phase is selected

01: 2 phases are selected

10: 3 phases are selected (uneven 0/90/180 phase

shift)

11: 4 phases are selected

Bit

Type

Label

Description

0xD5

VBUCKA_MAX

R/W

(reserved)

6:0

VBUCKA_MAX

Sets the maximum voltage allowed for Buck A (OTP

programmed, access only in test mode)

0000000: 0.30 V

0000001: 0.31 V

0000010: 0.32 V

Continuing through…

1000110: 1.0 V

…

1111101: 1.55 V

1111110: 1.56 V

1111111: 1.57 V

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