参数资料
型号: TPS51727RHARG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, GREEN, PLASTIC, QFN-40
文件页数: 26/42页
文件大小: 0K
代理商: TPS51727RHARG4
Layout Guidelines
Schematic Review
Specific Guidelines
Separate Noisy Driver Interface Lines from Sensitive Analog Interface Lines
1
2
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40
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32
31
T
H
A
L
P
D
1
P
C
N
T
D
A
C
S
P
D
2
V
ID
4
V
ID
3
V
ID
2
V
ID
1
V
ID
0
V
5
F
IL
T
IS
L
E
W
O
S
R
S
E
L
T
O
N
S
E
L
T
R
IP
S
E
L
P
M
O
N
E
N
/C
S
L
P
G
O
D
DROOP
VREF
GND
CSP1
CSN1
CSN2
CSP2
GFB
VFB
THRM
TPS51727
RHA PACKAGE
Logic
Interface #2
Control
Interface
Sensitive
Analog
Interface
DRVH1
VBST1
LL1
DRVL1
V5IN
PGND
DRVL2
LL2
VBST2
DRVH2
Logic
Interface #1
Driver
Interface
UDG-08010
SLUS806B – APRIL 2008 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com
The TPS51727 has fully differential current and voltage feedback. As a result, no special layout considerations
are required. However, all high-performance multi-phase power converters, like the , require a certain level of
care in layout.
Because the voltage and current feedback signals are fully differential it is a good idea to double check their
polarity.
CSP1/CSN1
CSP2/CSN2
VFB/GFB
The TPS51727 makes this as easy as possible, as the two sets of pins are on opposite sides of the device. In
addition, the CPU interface signals are grouped on the top and bottom sides of the device. This arrangement is
shown in Figure 32.
Figure 32. Device Layout by Pin Function
32
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS51727
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