MP2661 datasheet(32/35 Pages) MPS

Part #	MP2661

Description	4.65V System, 500mA,I2C-Controlled Battery Charger with Power Path Management for Single-Cell Li-Ion Battery

PDF	35 Pages

Scroll/Zoom	100%

Manufacturer	MPS [Monolithic Power Systems]

Direct Link	http://www.monolithicpower.com

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32 / 35 page

MP2661 – 0.5A, 1-CELL CHARGER W/ I2C CONTROL AND POWER PATH

MP2661 Rev. 1.03

www.MonolithicPower.com

4/9/2018

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

CONTROL FLOW CHART(continued)

Set int_gate from 0 to 1

Int_gate=1

Delay Block 1

reset int_gate from 1 to 0

Int_gate=0

Set int from 1 to 0,

Int=0

Keep pushing PB

Low?

reset int from 0 to 1

Before int<1V, int_dly=0

YES

Int_pulse

generating

block

Int falling

edge

Delay Block 2

Latch Block A

Int_ext=FET_DIS=0, latch output as 0

Int_ext=1,FET_DIS=0, latch output as 1

As long as FET_DIS=1, latch output as 1

NAND

Gate

Enable osc

& 4s timer

‘

1’is

effective

4s timer out?

YES

Int_pulse=1?

YES

Latch Block B

Int_ext=FET_DIS=0, latch output as 1

Int_ext=1,FET_DIS=0, latch output as 0

As long as FET_DIS=1, latch output as 0

NAND

Gate

Reset shipping

mode block

‘

0’is

effective

Push PB (2nd)

Int_ext=0? &

FET_DIS=0?

Int_gate_dly=0 & int_dly=0

YES, INT_EXT=0

Vin power on

Push PB (1st)

Exist shipping mode

Reset 4s timer

Figure 13: MP2661 Exits the Shipping Mode

MP2661 Datasheet(PDF) 32 Page - Monolithic Power Systems

MP2661 Datasheet(HTML) 32 Page - Monolithic Power Systems

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