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MCP73861-I/SLG

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
MCP73861/2
DS21893B-page 4 2005 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Regulation
I
PREG
5 10 15 mA PROG = OPEN
60 120 180 mA PROG = V
SS
25 50 75 mA PROG = 1.6 kΩ
T
A
=-5°C to +55°C
Precondition Threshold
Voltage
V
PTH
2.70 2.80 2.90 V MCP73861, V
SET
= V
SS
2.75 2.85 2.95 V MCP73861, V
SET
= V
DD
5.40 5.60 5.80 V MCP73862, V
SET
= V
SS
5.50 5.70 5.90 V MCP73862, V
SET
= V
DD
V
BAT
Low-to-High
Charge Termination
Charge Termination
Current
I
TERM
6 8.5 11 mA PROG = OPEN
70 90 120 mA PROG = V
SS
32 41 50 mA PROG = 1.6 kΩ
T
A
=-5°C to +55°C
Automatic Recharge
Recharge Threshold
Voltage
V
RTH
V
REG
- 300 mV V
REG
- 200 mV V
REG
-100 mV V MCP73861
V
REG
- 600 mV V
REG
- 400 mV V
REG
- 200 mV V MCP73862
V
BAT
High-to-Low
Thermistor Reference
Thermistor Reference
Output Voltage
V
THREF
2.475 2.55 2.625 V T
A
= 25°C,
V
DD
= V
REG
(typ.) + 1V,
I
THREF
= 0 mA
Thermistor Reference
Source Current
I
THREF
200 — — µA
Thermistor Reference Line
Regulation
|(∆V
THREF
/
V
THREF
)|/
∆V
DD
— 0.1 0.25 %/V V
DD
= [V
REG
(Typ) + 1V] to 12V
Thermistor Reference Load
Regulation
|∆V
THREF
/
V
THREF|
0.01 0.10 % I
THREF
= 0 mA to 0.20 mA
Thermistor Comparator
Upper Trip Threshold V
T1
1.18 1.25 1.32 V
Upper Trip Point Hysteresis V
T1HYS
—-50—mV
Lower Trip Threshold V
T2
0.59 0.62 0.66 V
Lower Trip Point Hysteresis V
T2HYS
—80—mV
Input Bias Current I
BIAS
—— 2µA
Status Indicator – STAT1, STAT2
Sink Current I
SINK
4812mA
Low Output Voltage V
OL
— 200 400 mV I
SINK
= 1 mA
Input Leakage Current I
LK
—0.01 1µAI
SINK
= 0 mA, V
STAT1,2
= 12V
Enable Input
Input High Voltage Level V
IH
1.4 — — V
Input Low Voltage Level V
IL
——0.8V
Input Leakage Current I
LK
—0.01 1µAV
ENABLE
= 12V
Thermal Shutdown
Die Temperature T
SD
— 155 — °C
Die Temperature
Hysteresis
T
SDHYS
—10—°C
DC CHARACTERISTICS (Continued)
Electrical Specifications: Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(Typ) + 0.3V] to 12V,
T
A
= -40°C to 85°C. Typical values are at +25°C, V
DD
= [V
REG
(typ.) + 1.0V]
Parameters Sym Min Typ Max Units Conditions
2005 Microchip Technology Inc. DS21893B-page 5
MCP73861/2
TEMPERATURE SPECIFICATIONS
AC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(typ.) + 0.3V] to 12V,
T
A
= -40°C to 85°C. Typical values are at +25°C, V
DD
= [V
REG
(typ.) + 1.0V]
Parameters Sym Min Typ Max Units Conditions
UVLO Start Delay t
START
—— 5 msV
DD
Low-to-High
Current Regulation
Transition Time Out of
Preconditioning
t
DELAY
—— 1 msV
BAT
< V
PTH
to V
BAT
> V
PTH
Current Rise Time Out of
Preconditioning
t
RISE
—— 1 msI
OUT
Rising to 90% of I
REG
Fast Charge Safety Timer
Period
t
FAST
1.1 1.5 1.9 Hours C
TIMER
= 0.1 µF
Preconditioning Current Regulation
Preconditioning Charge
Safety Timer Period
t
PRECON
45 60 75 Minutes C
TIMER
= 0.1 µF
Charge Termination
Elapsed Time Termination
Period
t
TERM
2.2 3 3.8 Hours C
TIMER
= 0.1 µF
Status Indicators
Status Output turn-off t
OFF
— — 200 µs I
SINK
= 1 mA to 0 mA
Status Output turn-on t
ON
— — 200 µs I
SINK
= 0 mA to 1 mA
Electrical Specifications: Unless otherwise indicated, all limits apply for V
DD
= [V
REG
(typ.) + 0.3V] to 12V.
Typical values are at +25°C, V
DD
= [V
REG
(typ.) + 1.0V]
Parameters Sym Min Typ Max Units Conditions
Temperature Ranges
Specified Temperature Range T
A
-40 — +85 °C
Operating Temperature Range T
J
-40 — +125 °C
Storage Temperature Range T
A
-65 — +150 °C
Thermal Package Resistances
Thermal Resistance, 16-lead,
4 mm x 4 mm QFN
θ
JA
—37—°C/W
4-Layer JC51-7
Standard Board,
Natural Convection
Thermal Resistance, 16-lead SOIC θ
JA
—74—°C/W
4-Layer JC51-7
Standard Board,
Natural Convection
MCP73861/2
DS21893B-page 6 2005 Microchip Technology Inc.
2.0 TYPICAL PERFORMANCE CURVES
NOTE: Unless otherwise indicated, V
DD
= [V
REG
(Typ) + 1V], I
OUT
= 10 mA and T
A
= +25°C, Constant-voltage mode.
FIGURE 2-1: Battery Regulation Voltage
(V
BAT
) vs. Charge Current (I
OUT
).
FIGURE 2-2: Battery Regulation Voltage
(V
BAT
) vs. Supply Voltage (V
DD
).
FIGURE 2-3: Battery Regulation Voltage
(V
BAT
) vs. Supply Voltage (V
DD
).
FIGURE 2-4: Supply Current (I
SS
) vs.
Charge Current (I
OUT
).
FIGURE 2-5: Supply Current (I
SS
) vs.
Supply Voltage (V
DD
).
FIGURE 2-6: Supply Current (I
SS
) vs.
Supply Voltage (V
DD
).
Note: The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
4.193
4.195
4.197
4.199
4.201
4.203
4.205
4.207
10 100 1000
I
OUT
(mA)
V
BAT
(V)
MCP73861
V
SET
= V
DD
V
DD
= 5.2V
3.80
3.90
4.00
4.10
4.20
4.30
4.40
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
V
BAT
(V)
MCP73861
V
SET
= V
DD
I
OUT
= 1000 mA
4.193
4.195
4.197
4.199
4.201
4.203
4.205
4.207
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
V
BAT
(V)
MCP73861
V
SET
= V
DD
I
OUT
= 10 mA
0.40
0.50
0.60
0.70
0.80
0.90
1.00
10 100 1000
I
OUT
(mA)
I
SS
(mA)
MCP73861
V
SET
= V
DD
V
DD
= 5.2V
0.40
0.60
0.80
1.00
1.20
1.40
1.60
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
I
SS
(mA)
MCP73861
V
SET
= V
DD
I
OUT
= 1000 mA
0.40
0.50
0.60
0.70
0.80
0.90
1.00
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
I
SS
(mA)
MCP73861
V
SET
= V
DD
I
OUT
= 10 mA
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MCP73861-I/SLG

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IC CONTROLLER LI-ION 4.1V 16SOIC
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