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L1
A1
VIN
A2
EN
A3
GND
B1
ILIM0
B2
ILIM1
B3
L2
C1
PFM/PWM
C2
PG
C3
VOUT
D1
FB
D2
SS
D3
U4
TPS63051YFF
REG_VDD
10µF
C9
GND
GND
GND
10µF
C10
GND
VBQOUT
4.7µF
C4
GND
Yellow
D14
10.0k
R33
1.50k
R34
GND
0
R36
DNP
0
R37
VBQOUT
1000pF
C18
VBQOUT
47µF
C19
L1
LQM21PN1R0MC0D
Hardware Overview
Figure 5. Buck-Boost Converter for Board Supply
7
SLOU391 – May 2014
DRV2605EVM-BT User's Guide
Copyright © 2014, Texas Instruments Incorporated