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MP2670 Datasheet(PDF) 3 Page - Monolithic Power Systems

Part # MP2670
Description  Li-ion Battery Charger Protection Circuit
PDF  12 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2670 Datasheet(HTML) 3 Page - Monolithic Power Systems

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MP2670 – CHARGE SYSTEM PROTECTION CIRCUIT
MP2670 Rev. 0.91
www.MonolithicPower.com
3
5/13/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Power-On Reset
Rising VIN Threshold
VPOR
2.45
3.0
V
POR Hysteresis
110
mV
When enabled
0.6
mA
VIN Bias Current
IVIN
When disabled
25
µA
Protection
Input Over-voltage Protection
(OVP)
VOVP
5.55
5.80
6.0
V
Input OVP Hysteresis
50
mV
Input OVP Falling Threshold
5.45
V
Input OVP Propagation Delay
1
µs
Over-current Protection
IOCP
VVB = 3V, RILIM = 25kΩ
0.90
1.0
1.10
A
Overcurrent Protection Blanking
Time
BTOCP
170
µs
Battery Over-voltage Protection
Threshold
VBOVP
4.29
4.475
V
Battery OVP Threshold
Hysteresis
75
mV
Battery OVP Falling Threshold
4.225
V
Battery OVP Blanking Time
BTBOVP
180
µs
VB Pin Leakage Current
VVB = 4.4V
20
nA
Over Temperature Protection
Rising Threshold
150
°C
Over Temperature Protection
Falling Threshold
110
°C
Logic
EN
Input Logic HIGH
1.5
V
EN
Input Logic LOW
0.4
V
EN Internal Series Resistor
100
200
400
kΩ
FLT Output Logic Low
Sink 5mA current
0.5
0.8
V
FLT Output Logic High Leakage
Current
1
µA
Power MOSFET
On Resistance
RDS(ON)
Measured at 500mA,
4.3<VIN<5.5V
250
450
mΩ



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