TPS51640A, TPS59640, TPS59641
SLUSAQ2 –JANUARY 2012
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TYPICAL CHARACTERISTICS (TPS59641 ONLY)
Figure 54. Startup to VBOOT Voltage and ALERT
Figure 55. Startup to VBOOT Voltage and CPGOOD,
GPGOOD
FUNCTIONAL BLOCK DIAGRAM
CCOMP
10
GND V3R3
Pad 15
V5
48
43 V5DRV
46 CBST1
47 CDH1
45 CSW1
44 CDL1
42 PGND
CPWM1
CPWM2
CPWM3
Ramp
Comparator
On-Time
1
CF-IMAX
Smart
Driver
CVFB 11
+
A
Gm
+
CLK1
CGFB 12
+
+
CLK
CLK2
CLK3
Error
Phase
Manager
On-Time
2
CCSP1
4
DAC0
Amplifier
Integrator
+
IS1
IS2
Acs
39
CCSN1
CCSP2
5
6
CBST2
USR
OSR
OSR/USR
On-Time
3
38 CDH2
40 CSW2
41 CDL2
36 CPWM3
Smart
Driver
+
Current
Sharing
Circuitry
Acs
+
ISHARE
CCSN2
CCSP3
7
8
+
?
+
COCP
CPx
CVD
ISUM
IS1
IS2
IS3
GOCP
GPx
GVD
1GFx
+
IS3
CPU
GPU
Acs
Logic Protection
and Status Circuitry
Logic Protection
and Status Circuitry
35 CSKIP
33 GSKIP
CCSN3
9
VREF 14
VR_ON 16
CPGOOD 17
VCLK 18
DAC0
and
DAC1
DAC0
DAC1
Ramp
Comparator
GPWM
VBAT
+
GVD
+
CLK
ALERT 19
VDIO 20
A
On-Time
34 GPWM
Error
SVID
Interface
+
Gm
+
Amplifier
Integrator
GF-IMAX
VR_HOT 21
GPGOOD 23
DAC1
+
Acs
22
3
30
1
32
2
31 13 24
26
25
29
28
27
UDG-11271
22
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