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MP2639A Datasheet(PDF) 13 Page - Monolithic Power Systems

Part # MP2639A
Description  2-Cell Li-Ion or Li-Polymer Switching Charger Compatible with 5V Input and Integrated, Bidirectional Charge/Discharge
PDF  35 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2639A Datasheet(HTML) 13 Page - Monolithic Power Systems

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MP2639A
– SWITCH-MODE BATTERY CHARGER W/ BIDIRECTIONAL OPERATION
MP2639A Rev. 1.0
www.MonolithicPower.com
13
6/6/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
VIN = VL = 5V, VBATT = VH = 7.4V, CVL = CVH = 22µF, L1 = 2.2µH, CTMR = 0.1µF, R1 = 76.8kΩ, R2 =
24.3kΩ, R3 = 27.4kΩ, R4 = 10kΩ, battery simulator, unless otherwise noted.
Discharge Mode
Steady State
VBATT = 7.4V, ILOAD = 5A
No Load Shutdown,
Discharge Mode
VBATT = 7.4V, ILOAD = 0A
Weak Battery
Protection,
Discharge Mode
ILOAD = 1.5A, VBATT_OFFSET = 5V
CH1: VBATT
2V/div.
CH2: VL
2V/div.
CH3: VSW
5V/div.
CH4: IL
1A/div.
CH1: VBATT
2V/div.
CH2: VL
2V/div.
CH4: ILOAD
20mA/div.
CH3: VSW
10V/div.
CH1: VBATT
500mV/div.
CH2: VL
2V/div.
CH4: ILOAD
1A/div.
CH3: VSW
5V/div.
1µs/div.
4s/div.
4s/div.
Discharge Output
Current Limit
VBATT = 6.6V, ROLIM = 100kΩ
Load Transient,
Discharge Mode
VBATT = 8.0V, load transient
from 0.5A to 2.5A
Power Off by PB,
Discharge Mode
VBATT = 8.0V, ILOAD = 5A
CH1: VBATT
2V/div.
CH2: VL
2V/div.
CH3: VSW
10V/div.
CH4: ILOAD
1A/div.
CH1: VBATT
2V/div.
CH2: VL
500mV/div.
CH3: VSW
5V/div.
CH4: ILOAD
2A/div.
CH3: VBATT
2V/div.
CH1: VPB
2V/div.
CH2: VL
2V/div.
CH4: IL
2A/div.
2s/div.
400µs/div.
1s/div.
Short Protection,
Discharge Mode
VBATT = 8.0V, ILOAD = 5A,
VL short to GND
Short Recovery,
Discharge Mode
VBATT = 8.0V, ILOAD = 5A,
VL short to GND
LED Indication
Discharge Mode
VBATT_OFFSET = 5V
CH1: VBATT
2V/div.
CH2: VL
2V/div.
CH3: VSW
10V/div.
CH4: IL
5A/div.
CH1: VBATT
2V/div.
CH2: VL
2V/div.
CH3: VSW
10V/div.
CH4: IL
5A/div.
CHR1: VBATT
500mV/div.
CH4:LED4
2V/div.
CH3: LED3
2V/div.
CH2: LED2
2V/div.
CH1: LED1
2V/div.
400µs/div.
4ms/div
2s/div.



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