MCP73841/2/3/4
DS21823D-page 4 2003-2013 Microchip Technology Inc.
Preconditioning Current Regulation (Trickle Charge Constant-Current Mode)
Precondition Current
Regulation Threshold
V
PCS
51015mVV
DD
– V
SENSE,
T
A
= -5°C to +55°C
Precondition Threshold Voltage V
PTH
MCP73841-4.1,
MCP73843-4.1
2.70 2.80 2.90 V V
BAT
Low-to-High
MCP73841-4.2,
MCP73843-4.2
2.75 2.85 2.95 V V
BAT
Low-to-High
MCP73842-8.2,
MCP73844-8.2
5.40 5.60 5.80 V V
BAT
Low-to-High
MCP73842-8.4,
MCP73844-8.4
5.50 5.70 5.90 V V
BAT
Low-to-High
Charge Termination
Charge Termination Threshold V
TCS
4710mVV
DD
– V
SENSE,
T
A
= -5°C to +55°C
Automatic Recharge
Recharge Threshold Voltage V
RTH
MCP73841,
MCP73843
V
REG
-
300 mV
V
REG
-
200 mV
V
REG
-
100 mV
VV
BAT
High-to-Low
MCP73842,
MCP73844
V
REG
-
600 mV
V
REG
-
400 mV
V
REG
-
200 mV
VV
BAT
High-to-Low
External MOSFET Gate Drive
Gate Drive Current I
DRV
2 mA Sink, CV Mode
-0.5 mA Source, CV Mode
Gate Drive Minimum Voltage V
DRVMIN
––1.0VV
DD
= 4.5V
Gate - Source Clamp Voltage V
GS
-7.0 -4.5 V V
DD
= 12.0V
Thermistor Reference - MCP73841, MCP73842
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
Temperature Coefficient TC
THREF
–+50 ppm/°C
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 - MCP73841, MCP73842
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
Sink Current I
SINK
4712mA
Low Output Voltage V
OL
200 400 mV I
SINK
= 1 mA
Input Leakage Current I
LK
–0.011 µAI
SINK
= 0 mA, V
STAT1
= 12V
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) + 1V].
Parameters Sym Min Typ Max Units Conditions
2003-2013 Microchip Technology Inc. DS21823D-page 5
MCP73841/2/3/4
AC CHARACTERISTICS
TEMPERATURE SPECIFICATIONS
Enable Input
Input High-Voltage Level V
IH
1.4 - V
Input Low-Voltage Level V
IL
–-0.8V
Input Leakage Current I
LK
–0.011 µAV
ENABLE
= 12V
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. Typ-
ical values are at +25°C, V
DD
= [V
REG
(Typ)+1V].
Parameters Sym Min Typ Max Units Conditions
UVLO Start Delay t
START
––5msecV
DD
Low-to-High
Current Regulation
Transition Time Out of
Preconditioning
t
DELAY
––1msecV
BAT
< V
PTH
to V
BAT
> V
PTH
Current Rise Time Out of
Preconditioning
t
RISE
––1msecI
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 3.0 3.8 Hours C
TIMER
= 0.1 µF
Status Indicators
Status Output turn-off t
OFF
200 µsec I
SINK
= 10 mA to 0 mA
Status Output turn-on t
ON
200 µsec I
SINK
= 0 mA to 10 mA
Electrical Specifications: Unless otherwise specified, 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
A
-40 +125 °C
Storage Temperature Range T
A
-65 +150 °C
Thermal Package Resistances
Thermal Resistance, MSOP-10
JA
113 °C/W 4-Layer JC51-7 Standard Board,
Natural Convection
Thermal Resistance, MSOP-8
JA
206 °C/W Single-Layer SEMI G42-88 Board,
Natural Convection
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) + 1V].
Parameters Sym Min Typ Max Units Conditions
MCP73841/2/3/4
DS21823D-page 6 2003-2013 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.
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.
4.196
4.197
4.198
4.199
4.200
4.201
4.202
4.203
10 100 1000
I
OUT
(mA)
V
BAT
(V)
+55°C
+25°C
-5°C
MCP73841-4.2V
V
DD
= 5.2 V
4.196
4.197
4.198
4.199
4.200
4.201
4.202
4.203
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
V
BAT
(V)
+55°C
+25°C
-5°C
MCP73841-4.2V
I
OUT
= 1000 mA
4.196
4.197
4.198
4.199
4.200
4.201
4.202
4.203
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
V
BAT
(V)
MCP73841-4.2V
I
OUT
= 10 mA
+55°C
+25°C
-5°C
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
10 100 1000
I
OUT
(mA)
I
SS
(mA)
+25°C
+85°C
-45°C
MCP73841-4.2V
V
DD
= 5.2 V
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
I
SS
(mA)
+25°C
+85°C
-45°C
MCP73841-4.2V
I
OUT
= 1000 mA
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
4.5 6.0 7.5 9.0 10.5 12.0
V
DD
(V)
I
SS
(mA)
MCP73841-4.2V
I
OUT
= 10 mA
-45°C
+25°C
+85°C

MCP73841T-410I/UN

Mfr. #:
Manufacturer:
Microchip Technology
Description:
Battery Management w/ Ch Sfty & Temp Mn
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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