MP2671DL-LF-P

MP2671 – CHARGE SYSTEM PROTECTION CIRCUIT
MP2671 Rev. 0.9 www.MonolithicPower.com 4
2/23/2009 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2009 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 5V, R
ILM
= 25k, C
IN
= 1uF, R
VB
= 200k, T
A
= +25ºC, unless otherwise noted.
Input Steps
From 0V to 9V Waveform
Battery Overvoltage Protection
The IC is latched off after 16 counts of protection,
VB voltage varies between 4.3V to 4.5V
Input Steps
From 5.5V to 9.5V Waveform
Input Gradually Rises to
the Input OVP
Threshold Waveform
Input Steps
From 6.5V to 5.5V Waveform
4ms/div
4ms/div
400ms/div
10s/div
WRN (5V/DIV)
OUT (2V/DIV)
VIN (2V/DIV)
WRN (5V/DIV)
WRN (5V/DIV)
WRN (5V/DIV)
ILIM (1V/DIV)
OUT (1V/DIV)
OUT (2V/DIV)
OUT (2V/DIV)
VB (1V/DIV)
VIN (1V/DIV)
OUT (1V/DIV)
WRN (5V/DIV)
LOAD CURRENT
(200mA/DIV)
VIN (1V/DIV)
VIN (2V/DIV)
VIN (2V/DIV)
Zoom In View of Power-up
Waveform when Output
is Short-circuit
Green: Load Current; Blue: Output Voltage
Power-up Waveform
when Output is Short-circuit
200ms/div 10ms/div
LOAD CURRENT
(500mA/DIV)
LOAD CURRENT
(500mA/DIV)
VIN (1V/DIV)
WRN (5V/DIV)
OUT (1V/DIV)
WRN (5V/DIV)
VIN (1V/DIV)
OUT (1V/DIV)
VIN (2V/DIV)
OUT (2V/DIV)
MP2671 – CHARGE SYSTEM PROTECTION CIRCUIT
MP2671 Rev. 0.9 www.MonolithicPower.com 5
2/23/2009 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2009 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
= 5V, R
ILM
= 25k, C
IN
= 1uF, R
VB
= 200k, T
A
= +25ºC, unless otherwise noted.
Input Bias Current
vs. Input Voltage
when Enabled and Disabled
Input Bias Current
when Enabled and Disabled
vs. Temperature
V
POR
vs. Temperature
Input Overvoltage Protection
Threshold
vs. Temperature
Overcurrent Protection
Threshold
vs. Temperature
Overcurrent Protection
Blanking Time
vs. Temperature
Battery Voltage
OVP Threshold
vs. Temperature
VB Pin Leakage Current
vs. Temperature
EN Input Threshold
vs. Temperature
0
100
200
300
400
500
600
0 5 10 15 20 25 30 35
Input Voltage (V)
Enabled
Disabled
0
100
200
300
400
500
600
700
800
900
1000
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
Enabled
Disabled
2.61
2.64
2.67
2.7
2.73
2.76
2.79
2.82
2.85
2.88
2.91
2.94
V
POR
(V)
V
OVP
(V)
I
OCP
(mA)
5.70
5.72
5.74
5.76
5.78
5.80
5.82
5.84
5.86
Rising Threshold
Falling Threshold
970
980
990
1000
1010
1020
1030
1040
Current Limit =1A
150
155
160
165
170
175
180
185
190
195
200
4.280
4.290
4.300
4.310
4.320
4.330
4.340
4.350
4.360
4.370
4.380
4.390
-60 -40 -20 0 20 40 60 80 100 120 140
VB (V)
Rising Max
Falling Min
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
18.0
VB Pin Leakage Current (nA)
Tested at 5V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
EN Threshold (V)
Rising Threshold
Falling Threshold
Rising Threshold
Falling Threshold
MP2671 – CHARGE SYSTEM PROTECTION CIRCUIT
MP2671 Rev. 0.9 www.MonolithicPower.com 6
2/23/2009 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2009 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
= 5V, R
ILM
= 25k, C
IN
= 1uF, R
VB
= 200k, T
A
= +25ºC, unless otherwise noted.
EN Pin Internal
Pull-down Resistance
vs. Temperature
On-Resistance
vs. Temperature
150
160
170
180
190
200
210
220
230
240
250
-50 -20 10 40 70 100 130
-50 -20 10 40 70 100 130
0
50
100
150
200
250
300

MP2671DL-LF-P

Mfr. #:
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Battery Management Li-ion Battery Charg Protection Circuit
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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