DS9535A Datasheet, PDF (9/18 Pages) Richtek Technology Corporation – High Efficiency Switching Mode Battery Charge

Typical Application Circuit
RT9535A
V_IN
R3
(Optional) _R4
10k
C3
(Optional)
D4
PMEG4020
C1
10μF
R2
10
C_IN
1μF
R1
100k
1 _EN
15
VIN
RT9535A
HSD ¹³
V5V ¹⁶
C2
10μF x 2
D2
R7
R5
1k
C4
3.3nF
C5
0.01μF
17 (Exposed Pad)
C9
(Optional)
VFB
3
ISET
4 _VC
2 _SS
GND
6 _VFB
NTC ⁵
100k
C7
R6
1μF
100k ^RNTC
BOOT ¹⁴
12
SW
PGND ¹¹
R8
10
C8
0.1μF
D1
PMEG2030
VHH
C10
0.1μF
7 _VHH
SNSH ¹⁰
SNSL ⁹
BATT ⁸
C11
0.1μF
D3
To RS3
VHH
C6
0.1μF
L1
RS1
10μH _0.1
RS3 RS2
402
402
C_BATT
22μF
V_BATT
RF2
390k
RF1
100k
To V_FB
TVS
Note :
(1). For application with removable battery, a TVS with appropriate rating is required as shown above.
(2). VIN = 15V to 28V, 3 – cell, ICHARGE = 1A
Copyright © 2016 Richtek Technology Corporation. All rights reserved.
DS9535A-04 February 2016
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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