MCP73871_13 datasheet(8/40 Pages) MICROCHIP

Part #	MCP73871

Description	Stand-Alone System Load Sharing and Li-Ion/Li-Polymer Battery Charge Management Controller

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Manufacturer	MICROCHIP [Microchip Technology]

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MCP73871

DS20002090C-page 8

 2008-2013 Microchip Technology Inc.

Chip Enable (CE)

Input High Voltage Level

VIH

1.8

—

V

Input Low Voltage Level

VIL

—

0.8

V

Input Leakage Current

ILK

—

0.01

1

μAVCE = VDD

Input Source Selection (SEL)

Input High Voltage Level

VIH

1.8

—

V

Input Low Voltage Level

VIL

—

0.8

V

Input Leakage Current

ILK

—

0.01

1

μAVSEL = VDD

Thermistor Bias

Thermistor Current

Source

ITHERM

47

50

53

μA2 k

 < RTHERM < 50 k

Thermistor Comparator

Upper Trip Threshold

VT1

1.20

1.24

1.26

V

VT1 Low-to-High

Upper Trip Point

Hysteresis

VT1HYS

—

-40

—

mV

Lower Trip Threshold

VT2

0.23

0.25

0.27

V

VT2 High-to-Low

Lower Trip Point

Hysteresis

VT2HYS

—40

—

mV

Thermal Shutdown

Die Temperature

TSD

—

150

—

C

Die Temperature

Hysteresis

TSDHYS

—10

—

C

DC CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = VREG + 0.3V to 6V, TA = -40°C to +85°C.

Typical values are at +25°C, VIN = [VREG (typical) + 1.0V]

Parameters

Sym

Min

Typ

Max

Units

Conditions

Note 1:

The value is ensured by design and not production tested.

2:

The maximum available charge current is also limited by the value set at PROG1 input.

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