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MP2637 Datasheet(PDF) 7 Page - Monolithic Power Systems

Part # MP2637
Description  2.5A Single Cell Switch Mode Battery Charger with Power Path Management (PPM) and 2.4A Boost Current with Trickle Timer
PDF  36 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2637 Datasheet(HTML) 7 Page - Monolithic Power Systems

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MP2637 –2.5A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 2.4A BOOST
MP2637 Rev. 1.04
www.MonolithicPower.com
7
8/3/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 5.0V, TA = 25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Trickle Charge Voltage Threshold
VBATT_TC
Connect to VB to GND
3.0
3.1
3.2
V
Leave VB floating or
connect to high logic
2.9
3
3.1
Trickle Charge Hysteresis
200
mV
Termination Charge Current
IBF
RS1 = 20m
Ω, R
ISET=60.4k
2.5%
10%
17.5%
ICC
RS1 = 20m
Ω, R
ISET=47.5k
2.5%
10%
17.5%
ICC
Input-Voltage-Regulation
Reference
VREG
1.18
1.2
1.22
V
Boost Mode
SYS Voltage Range
4.2
6
V
Feedback Voltage
1.18
1.2
1.22
V
Feedback Input Current
VFB=1V
200
nA
Boost SYS Over-Voltage
Protection Threshold
VSYS(OVP)
Threshold over VSYS to turn
off the converter during
boost mode
5.6
5.75
5.9
V
SYS Over Voltage Protection
Threshold Hysteresis
VSYS falling from VSYS(OVP)
125
mV
Boost Quiescent Current
ISYS = 0, MODE = 5V
1.4
mA
Programmable Boost Output
Current Limit Accuracy
IOLIM
RS1 = 20m
Ω, R
OLIM =
57.6k
1.875
2.083
2.290
A
RS1 = 20m
Ω, R
OLIM = 51k
2.1
SYS Over-Current Blanking
Time
(5)
τ
SYSOCBLK
120
µs
SYS Over-Current Recover
Time
(5)
τ
SYSRECVR
1
ms
Weak-Battery Threshold
VBATT(LOW)
During boosting
2.5
V
Before Boost starts
2.9
3.05
V
Sleep Mode
Battery Leakage Current
ILEAKAGE
VBATT = 4.2V, SYS Float,
VIN = 0V, MODE = 0V
15
30
μA
Indication and Logic
ACOK
----------------
, CHG
-------------
, BOOST
-------------------
pin output
low voltage
Sinking 1.5mA
400
mV
ACOK
----------------
, CHG
-------------
, BOOST
-------------------
pin leakage
current
Connected to 5V
1
μA
NTC and Time-out Fault Blinking
Frequency
(5)
CTMR = 0.1μF, ICHG = 1A
12.5
Hz
EN Input Logic Low Voltage
0.4
V
EN Input High Voltage
1.4
V
Mode Input Logic Low Voltage
0.4
V
Mode Input Logic High Voltage
1.4
V



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