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UCD9240PFC Datasheet(PDF) 8 Page - Texas Instruments

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Part # UCD9240PFC
Description  Digital PWM System Controller
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCD9240PFC Datasheet(HTML) 8 Page - Texas Instruments

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FUNCTIONAL BLOCK DIAGRAM
Compensator
3P/3Z IIR
12-bit
ADC
250 ksps
Osc
ARM-7 core
PMBus
EAp4
EAn4
EAp3
EAn3
EAp2
EAn2
AddrSens0
AddrSens1
CS-1A
CS-1B
CS-2A
CS-2B
CS-3A
CS-3B
CS-4A
CS-4B
Vin/Iin
Vtrack
Temp
V33x
xGnd
Analog Front End
(AFE)
Analog Front End
(AFE)
Analog Front End
(AFE)
Ref
ADC
6 bit
IIR
3P/3Z
Err
Amp
EAp1
EAn1
Coeff.
Regs
Compensator
Analog Front End
ADCref
POR/BOR
DPWM-1A
Ref 1
Analog Comparators
OC
PWM-1A
DPWM-1B
FAULT-1A
FAULT-1B
DPWM-2A
DPWM-2B
FAULT-2A
FAULT-2B
DPWM-3A
DPWM-3B
FAULT-3A
FAULT-3B
DPWM-4A
DPWM-4B
FAULT-4A
FAULT-4B
PMBus-Clk
PMBus-Data
PMBus-Alert
PMBus-Cntl
PowerGood (TMS)
SYNC-IN (TDI)
SYNC -OUT (TDO)
5
6
BPCap
SRE-4B
SRE-4A
SRE-3B
SRE-3A
SRE-2B
SRE-2A
SRE-1B
SRE-1A
SRE
Control
Compensator
3P/3Z IIR
Compensator
3P/3Z IIR
Flash
Memory with
ECC
Diff
Amp
Fusion Power Peripheral 4
Fusion Power Peripheral 3
Fusion Power Peripheral 2
Fusion Power Peripheral 1
Internal
Temp Sense
3.3V reg.
controller
& 1.8V
regulator
Ref 2
Ref 3
Ref 4
Digital
High Res
PWM
Digital
High Res
PWM
Digital
High Res
PWM
Digital
High Res
PWM
Mux
Control
TMUX0
TMUX1
TMUX2
OC
PWM-2A
OC
PWM-3A
OC
PWM-4A
Fan
Control
FAN-TACH (TCK)
FAN-PWM
/RESET
260
UCD9240
SLUS766C – JULY 2008 – REVISED NOVEMBER 2008................................................................................................................................................... www.ti.com
8
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): UCD9240


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