MCP73837AMIMF datasheet(12/30 Pages) MICROCHIP

部件名	MCP73837AMIMF

功能描述	Advanced Stand-Alone Li-Ion / Li-Polymer Battery Charge Management Controller with Autonomous AC-Adapter or USB-Port Source Selection

PDF	30 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

12 / 30 page

MCP73837/8

DS22071A-page 12

Note: Unless otherwise indicated, VDD = [VREG(typical) + 1V], IOUT = 30 mA and TA= +25°C, Constant-voltage mode.

UVLOVAC

FIGURE 2-25:

VUSB UVLO Start Delay

(USB = High)

FIGURE 2-26:

Complete Charge Cycle

(1200 mAh Li-Ion Battery).

FIGURE 2-27:

Typical Charge Profile in

Thermal Regulation (1200 mAh Li-Ion Battery).

FIGURE 2-28:

Complete Charge Cycle

(180 mAh Li-Ion Battery).

FIGURE 2-29:

Typical Charge Profile in

Preconditioning and CC-CV (180 mAh Li-Ion

Battery).

0.0

1.0

2.0

3.0

4.0

5.0

Time (Minutes)

0.2

0.4

0.6

0.8

1.2

VDD = 5.2V

RPROG = 1 kΩ

1200 mAh Li-Ion Battery

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

012

456789 10

Time (Minutes)

0.3

0.6

0.9

1.2

VDD = 5.2V

RPROG = 1 kΩ

1200 mAh Li-Ion Battery

0.0

1.0

2.0

3.0

4.0

5.0

20 40 60 80 100 120 140 160 180

Time (Minutes)

0.02

0.04

0.06

0.08

0.1

0.12

VDD = 5.2V

RPROG = USB_Low

180 mAh Li-Ion Battery

0.0

1.0

2.0

3.0

4.0

5.0

0123456789

Time (Minutes)

0.02

0.04

0.06

0.08

0.1

0.12

VDD = 5.2V

RPROG = USB_Low

180 mAh Li-Ion Battery

C.C. Begins

Preconditioning

C.V. Begins

MCP73837AMIMF 数据表(PDF) 12 Page - Microchip Technology

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