MPS EV2637A-R-00A Manual Download Page 3

EV2637A-R-00A –2.5A SINGLE-CELL SWITCH MODE BATTERY CHARGER  

 

EV2637A-R-00A Rev. 1.0   

www.MonolithicPower.com 

3

 

10/11/2019 

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 

 

© 2019 MPS. All Rights Reserved. 

EV2637A-R-00A BILL OF MATERIALS 

Qty. 

Ref 

Value 

Description 

Package 

Manufacture  Manufacture_PN 

C1 

1

μF 

Ceramic Capacitor; 
25V;X7R 

0603 

TDK 

C1608X7R1E105K 

C2 

1

μF 

Ceramic Capacitor; 
16V;X7R; 

0603 

muRata 

GRM188R71C105KA12D 

C3, C7, 

CBATT, 

CSYS 

22

μF 

Ceramic Capacitor; 
10V;X7R; 

1206 

muRata 

GRM31CR71A226KE15L 

C4, 

CTMR 

100nF 

Ceramic Capacitor; 
16V;X7R; 

0603 

muRata 

GRM188R71C104KA01D 

C5 

NC 

Ceramic Capacitor; 
25V;X5R; 

1206 

 

 

C6 

NC 

Ceramic Capacitor; 
10V;X7R; 

1206 

 

 

C8 

NC 

Ceramic Capacitor; 
50V;C0G; 

0603 

 

 

C9 

NC 

Ceramic Capacitor; 
25V;X7R; 

0603 

 

 

C10,C1

NC 

Ceramic Capacitor; 
16V;X7R; 

0603 

 

 

CIN 

22

μF 

Ceramic Capacitor; 
25V;X5R; 

1206 

murata 

GRM31CR61E226KE15 

L1 

2.2

μH 

Inductor;2.2uH;9m;7.
2A 

SMD 

muRata 

LQH88PN2R2N38 

LED2, 

LED3 

BL-

HUF35A-

TRB 

LED; Red 

0805 

BRIGHT LED  BL-HUF35A-TRB 

LED1 

BL-

HGB35A-

TRB 

LED; Green 

0805 

BRIGHT LED  BL-HGB35A-TRB 

R1 

31.6k

Ω

 

Film Resistor;1%; 

0603 

Yageo 

RC0603FR-0731K6L 

R2, 

RT1, 

RT2 

10k

Ω

 

Film Resistor;1%; 

0603 

Yageo 

RC0603FR-0710KL 

R3 

15k

Ω

 

Film Resistor;1%; 

0603 

Yageo 

RC0603FR-0715KL 

RILIM 

16.5k

Ω

 

Film Resistor;1%; 

0603 

Yageo 

RC0603FR-0716K5L 

R4, RL 

5.1k

Ω

 

Film Resistor;1%; 

0603 

Yageo 

RC0603FR-075K1L 

R5, R6, 

R7 

10k

Ω

 

Film Resistor;5%; 

0603 

Yageo 

RC0603JR-0710K 

R9, 

R10, 

R11 

2k

Ω

 

Film 
Resistor;5%;1/10W 

0603 

LIZ 

CR0603JA0202G 

RH 

23.7k

Ω 

Film Resistor; 1% 

0603 

Yageo 

RC0603FR-0723K7L 

RISET 

47.5k

Ω

 

Film Resistor;1% 

0603 

Yageo 

RC0603FR-0747K5L 

ROLM 

53.6k

Ω

 

Film Resistor;1% 

0603 

Yageo 

RC0603FR-0753K6L 

RS1 

20m

Ω

 

Film Resistor;1% 

1206 

Vishay 

WSL1206-18 

RT 

0

Ω

 

Film Resistor;5%; 

0603 

Yageo 

RC0603JR-070RL 

U1 

MP2637

AGR 

 

QFN24 

(4mmx4mm) 

MPS 

MP2637AGR 

Summary of Contents for EV2637A-R-00A

Page 1: ...V2637A has input over voltage protection battery over voltage protection thermal shutdown battery temperature monitoring and a programmable timer to prevent prolonged charging of a dead battery ELECTR...

Page 2: ...nolithicPower com 2 10 11 2019 MPS Proprietary Information Patent Protected Unauthorized Photocopy and Duplication Prohibited 2019 MPS All Rights Reserved EV2637A R 00A EVALUATION BOARD L W H 6 1cm 5...

Page 3: ...mic Capacitor 16V X7R 0603 1 CIN 22 F Ceramic Capacitor 25V X5R 1206 murata GRM31CR61E226KE15 1 L1 2 2 H Inductor 2 2uH 9m 7 2A SMD muRata LQH88PN2R2N38 2 LED2 LED3 BL HUF35A TRB LED Red 0805 BRIGHT L...

Page 4: ...A Rev 1 0 www MonolithicPower com 4 10 11 2019 MPS Proprietary Information Patent Protected Unauthorized Photocopy and Duplication Prohibited 2019 MPS All Rights Reserved PRINTED CIRCUIT BOARD LAYOUT...

Page 5: ...When the input power source is not sufficient to support both the charge current and system load current the charge current is reduced to allow priority of system power and maintain the input voltage...

Page 6: ...5A a CTMR of 0 1 F provides a tTOTAL_TMR of 2 4 hours Boost Mode 1 System Output Voltage The MODE pin can enable or disable the EV2637A when in boost mode The resistor divider R1 and R2 can adjust the...

Page 7: ...A single voltage probe and a single current probe 4 Multi meter Charge Function 1 Connect the jumper EN to H and the MODE to L to shunts respectively 2 Attach the positive and negative ends of the ba...

Page 8: ...rved Boost Function 1 Connect the jumper MODE to H and the EN to L with shunts respectively 2 Attach the load to the SYS and GND terminals respectively 3 Attach the positive and negative ends of the b...

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