ACT2861QI datasheet(87/91 Pages) ACTIVE-SEMI

Part #	ACT2861QI

Description	30V Buck-Boost Charger with Integrated MOSFETs and OTG

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Manufacturer	ACTIVE-SEMI [Active-Semi, Inc]

Direct Link	http://www.active-semi.com

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87 / 91 page

ACT2861QI

Rev 2.0, 27-Apr-2018

Innovative PowerTM

www.active-semi.com

ActiveSwitcherTM is a trademark of Active-Semi

87

11: 100% of ICHG

DIS_JEITA = 0

Notes:

1. Result for 50% and 25% is rounded down

Example: 15% IFCHG setting at 50% results in

7% output

2. Result minimum is always 1%

Example: 2% IFCHG setting at 25% reduction

is still 1%

REG 0x1D: Temperature Setting (R/W) (NVM)

Bit

Name

Description

Comment

7

FREQ_SEL[1]

0

Frequency Selection

Settings for SMPS

Settings:

00: 125kHz

01: 250kHz

10: 500kHz

11: 1MHz

Note: These can NOT be changed “on the fly” and

each setting requires a different inductor value and

capacitors and compensation components.

CARE SHOULD BE TAKEN WHEN WRITING TO

THIS REGISTER TO AVOID CHANGING THE

FREQUENCY WHILE OPERATING

6

FREQ_SEL[0]

0

5

DIS_SHIP_RENTER

0

0: Enable re-enter

ship mode

1: Disable ship

mode re-enter

If set to 0, writing to SHIPM_ENTER (Reg 0x00 Bit 5)

will allow the device to re-enter ship mode. If set to 1,

device will ignore the SHIPM_ENTER command.

4

OTG_HOT[1]

0

00: VTH55C at 55°C

01: VTH60C at 60°C

10: VTH65C at 65°C

11: Disable

shutdown

OTG mode or Disable JEITA Mode Hot Temperature

Monitor TH / NTC Thresholds

3

OTG_HOT[0]

1

2

OTG_COLD

0

0: VTH0C at 0°C

1: VTH-10C at -10°C

OTG mode or Disable JEITA Mode Cold

Temperature Monitor TH / NTC Thresholds

1

TREG[1]

1

00: Disable

01: 80°C

10: 100°C

11: 120°C

Die temperature regulation threshold

0

TREG[0]

1

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ACT2861QI Datasheet(PDF) 87 Page - Active-Semi, Inc

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