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MP2637 Scheda tecnica(PDF) 2 Page - Monolithic Power Systems

Il numero della parte MP2637
Spiegazioni elettronici  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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Produttore elettronici  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2637 Scheda tecnica(HTML) 2 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
2
8/3/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
TYPICAL APPLICATION
To 5V System
VIN
VCC
SW
BATT
FB
MODE
PWIN
SYS
Battery
CHG
EN
CIN
CBATT
C4*
TMR
NTC
PGND
OLIM
MP2637
ILIM
ISET
BOOST
ACOK
VBATT
REG
VSYS
VB
Battery Voltage
Program
GND: 4.35V
High/Float: 4.2V
CSP
RS1
RISET
CTMR
RILIM
ROLIM*
R1
R2
5V Input
AGND
R3
R4
R5
L1*
C2
CSYS*
ICHG
IBATT
R6
VCC
Q1
Q2
Q3
Q4
*Note:
1.
ROLIM CANNOT be lower than 47.5kΩ. ROLIM is for the boost output current loop setting, and please refer to
the APPLICATION INFORMATION section for details.
2.
CSYS should be put as close to the SYS pin and PGND as possible. At least 22μF is recommended, and
CSYS+C2 should not be less than 44μF, the ceramic is preferred and E-cap is not recommended.
3.
VCC cap should not exceed 100nF. Recommend 47nF or 100nF.
4.
Inductor should not exceed 2.2
μH. Recommend 1.5μH or 2.2μH.



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