MCP73871 Microchip Technology, MCP73871 Datasheet - Page 8

• Manufacturer Part Number: MCP73871
• Description: Stand-Alone System Load Sharing and Li-Ion / Li-Polymer Battery Charge Management Controller
• Manufacturer: Microchip Technology

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MCP73871
AC CHARACTERISTICS
TEMPERATURE SPECIFICATIONS
DS22090B-page 8
Electrical Specifications: Unless otherwise indicated, all limits apply for V
Typical values are at +25°C, V
UVLO Start Delay
Current Regulation
Transition Time Out of Precondition
Current Rise Time Out of Precondition
Precondition Comparator Filter Time
Termination Comparator Filter Time
Charge Comparator Filter Time
Thermistor Comparator Filter Time
Elapsed Timer
Elapsed Timer Period
Status Indicators
Status Output Turn-off
Status Output Turn-on
Note 1:
Electrical Specifications: Unless otherwise indicated, all limits apply for V
Typical values are at +25°C, V
Temperature Ranges
Specified Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
Thermal Resistance, 20LD-QFN, 4x4
Internal safety timer is tested base on internal oscillator frequency measurement.
Parameters
Parameters
DD
DD
= [V
= [V
REG
REG
(typical) + 1.0V]
(typical) + 1.0V]
t
t
t
ELAPSED
PRECON
CHARGE
t
t
t
t
THERM
START
DELAY
Sym
t
TERM
t
RISE
Sym
t
OFF
ON
θ
T
T
T
JA
A
A
J
Min
0.4
0.4
0.4
0.4
3.6
5.4
7.2
Min
—
—
—
—
—
—
-40
-40
-65
—
Typ
1.3
1.3
1.3
1.3
4.0
6.0
8.0
Typ
—
—
—
—
—
0
—
—
—
35
IN
IN
= 4.6V to 6V.
= 4.6V to 6V.
Max
+125
+150
500
500
3.2
3.2
3.2
3.2
4.4
6.6
8.8
Max
+85
10
10
—
5
—
Hours
Hours
Hours
Hours
Units
Units
°C/W
ms
ms
ms
ms
ms
ms
ms
µs
µs
°C
°C
°C
© 2009 Microchip Technology Inc.
V
V
I
Average V
Average I
Average V
Average THERM Rise/Fall
I
I
4-Layer JC51-7 Standard Board,
Natural Convection
OUT
SINK
SINK
DD
BAT
Low-to-High
Rising to 90% of I
< V
= 1 mA to 0 mA
= 0 mA to 1 mA
PTH
OUT
Conditions
BAT
BAT
Conditions
to V
Falling
Rise/Fall
Falling
BAT
> V
REG
PTH