40Vin 2 Outputs COT Buck Controlle r - dianyuan.com · 40Vin 2 Outputs COT Buck Controlle r TD1742...
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40Vin 2 Outputs COT Buck Controller TD174 2
Transcript of 40Vin 2 Outputs COT Buck Controlle r - dianyuan.com · 40Vin 2 Outputs COT Buck Controlle r TD1742...
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
ldr_en1
pw m_int1
ldr_en_int1
pw m1
end_soft1
GND
5VLDO
VIN
BST1
fb1
HSD1
SW1
csn1csp1
LSD1
csn2
csp2
fb2
Rrp1
10k
softbuf1
pulse1
COT_PWM1
v dda
gnda
v in
v out
pwm
tset
pulse
ccldr_en
PROT1
v dda
gnda
pwm_raw
ldr_en_raw ldr_en
pwm
vss
vdd
CC_comp1
v cs1
cc1
v 1p2
v tset
v ccth
5VLD0
v in
gnda
5v ldo
v 1p2
v ccth
v tset
BBMDRV1
bst
lx
v ddp
gndp
pwm hdr
ldr
ldr_envss
vdd
CV_comp1Curr_Sense1
v dda
gnda
Vcscsp
csn
SOFT1
v dda
gnda
sof tbufv ref
end_sof tcsp
COT_PWM2
v dda
gnda
v in
v out
pwm
tset
pulse
ccldr_en
PROT2
v dda
gnda
pwm_raw
ldr_en_raw ldr_en
pwm
vss
vdd
CC_comp2
Rrp2
10k
SOFT2
v dda
gnda
sof tbufv ref
end_sof tcsp vss
vdd
CV_comp2Curr_Sense2
v dda
gnda
Vcscsp
csn
pw m2pw m_int2
end_soft2ldr_en_int2
cc2
pulse2
softbuf2
ldr_en2v cs2
BBMDRV2
bst
lx
v ddp
gndp
pwm hdr
ldr
ldr_en
HSD2
SW2
BST2
LSD2
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
EC1220uF
4.7uFC5
GND
Q1
TDM3436
S1
S2
S3
G4
D5
D6
D7
D8
10uFC7
VIN-
L2
22uH
0.1uFC1
EC3
470uF
GND
GND
10uFC13
R420K
R233K/1%
3.3nF
C11
R110K/1%
GND
3.3 nFC9
R12
33K
R13
10K 10uFC14
VOUT2
100nF
C4
VOUT1+
22pFC8
R320K
VOUT1
22pFC6
Q3
TDM3436
S1
S2
S3
G4
D5
D6
D7
D8
U6
TD1742SW1
2
VF
B1
5
CS
16
CS
27
VF
B2
8
VOUT29
VD
D1
4
LSD210
SW211
HSD212
BST116
VIN
15
LSD13
VOUT14
HSD11
BST213
GN
D1
7
Q4
TDM3436
S1
S2
S3
G4
D5
D6
D7
D8
VOUT2
VOUT2-
R8
0.02R/1%
GND
VOUT1
VOUT1-
R114.7R
VOUT2+
GND
EC2470uF
R154.7R
OUTPUT1
Q2
TDM3436
S1
S2
S3
G4
D5
D6
D7
D8
R17
0.01R/1%
GND
GND
10uFC2
R64.7R
R5
4.7R
100nF
C3
L1
22uH
GND
VIN+
GND
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
40Vin 2 Outputs COT Buck Controller TD1742
Design Notes
