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MCP73861-I/ML Datasheet(PDF) 4 Page - Microchip Technology

Part # MCP73861-I/ML
Description  Advanced Single or Dual Cell, Fully Integrated Li-Ion / Li-Polymer Charge Management Controllers
PDF  34 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73861-I/ML Datasheet(HTML) 4 Page - Microchip Technology

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MCP73861/2/3/4
DS21893D-page 4
© 2008 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Regulation
IPREG
5
10
15
mA PROG = OPEN
60
120
180
mA PROG = VSS
25
50
75
mA PROG = 1.6 kΩ
TA=-5°C to +55°C
Precondition Threshold
Voltage
VPTH
2.70
2.80
2.90
V
MCP73861/3, VSET = VSS
2.75
2.85
2.95
V
MCP73861/3, VSET = VDD
5.40
5.60
5.80
V
MCP73862/4, VSET = VSS
5.50
5.70
5.90
V
MCP73862/4, VSET = VDD
VBAT Low-to-High
Charge Termination
Charge Termination
Current
ITERM
6
8.5
11
mA PROG = OPEN
70
90
120
mA PROG = VSS
32
41
50
mA PROG = 1.6 kΩ
TA=-5°C to +55°C
Automatic Recharge
Recharge Threshold
Voltage
VRTH
VREG -
300 mV
VREG -
200 mV
VREG -100 mV
V
MCP73861/3
VREG -
600 mV
VREG -
400 mV
VREG -
200 mV
V
MCP73862/4
VBAT High-to-Low
Thermistor Reference
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
|(ΔVTHREF/
VTHREF)|/
ΔVDD
—0.1
0.25
%/V VDD = [VREG(typ.) + 1V] to
12V
Thermistor Reference Load
Regulation
|ΔVTHREF/
VTHREF|
0.01
0.10
%
ITHREF = 0 mA to 0.20 mA
Thermistor Comparator
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
µA
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
µA
ISINK = 0 mA, VSTAT1,2 = 12V
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
µA
VENABLE = 12V
DC CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, all limits apply for VDD= [VREG(typ.) + 0.3V] to 12V,
TA = -40°C to +85°C. Typical values are at +25°C, VDD = [VREG (typ.) + 1.0V]
Parameters
Sym
Min
Typ
Max
Unit
s
Conditions



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