MCP73853_13 datasheet(4/32 Pages) MICROCHIP

Part #	MCP73853

Description	USB Compatible Li-Ion/Li-Polymer Charge Management Controllers

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Manufacturer	MICROCHIP [Microchip Technology]

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4 / 32 page

MCP73853/55

DS21915C-page 4

 2004-2013 Microchip Technology Inc.

Charge Termination

Charge Termination Current

ITERM

3.7

6.5

9.3

mA PROG = OPEN

18

32

46

mA PROG = VSS

TA = -5°C to +55°C

Automatic Recharge

Recharge Threshold Voltage

VRTH

VREG –

300mV

VREG –

200mV

VREG –

100mV

VVBAT High-to-Low

Thermistor Reference - MCP73853

Thermistor Reference

Output Voltage

VTHREF

2.475

2.55

2.625

V

TA = 25°C, VDD = VREG(Typ) + 1V,

ITHREF = 0 mA

Thermistor Reference

Source Current

ITHREF

200

—

µA

Thermistor Reference Line

Regulation

VTHREF/

VTHREF)|/VDD

—

0.05

0.25

%/V VDD = [VREG (Typ) + 1V] to 5.5V

Thermistor Reference Load

Regulation

VTHREF/

VTHREF|

0.02

0.10

%

ITHREF = 0 mA to 0.20 mA

Thermistor Comparator - MCP73853

Upper Trip Threshold

VT1

1.18

1.25

1.32

V

Upper Trip Point Hysteresis

VT1HYS

—-50

—

mV

Lower Trip Threshold

VT2

0.59

0.62

0.66

V

Lower Trip Point Hysteresis

VT2HYS

—80

—

mV

Input Bias Current

IBIAS

——

2

A

Status Indicator – STAT1, STAT2

Sink Current

ISINK

48

12

mA

Low Output Voltage

VOL

—200

400

mV ISINK = 1 mA

Input Leakage Current

ILK

—0.01

1

AISINK = 0 mA, VSTAT1,2 = 5.5V

Enable Input

Input High Voltage Level

VIH

1.4

—

V

Input Low Voltage Level

VIL

——

0.8

V

Input Leakage Current

ILK

—0.01

1

AVENABLE = 5.5V

Thermal Shutdown

Die Temperature

TSD

—155

—

°C

Die Temperature Hysteresis

TSDHYS

—10

—

°C

DC CHARACTERISTICS (Continued)

Electrical Specifications: Unless otherwise indicated, all limits apply for VDD = [VREG(Typ) + 0.3V] to 5.5V,

TA = -40°C to 85°C. Typical values are at +25°C, VDD = [VREG (Typ) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

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