Datasheet

Compensator
3P/3ZIIR
12-bit
ADC
260 ksps
Osc
ARM-7 core
PMBus
EAp4
EAn4
EAp3
EAn3
EAp2
EAn2
ADDR-0
ADDR-1
CS-1A
CS-1B
CS-2A
CS-2B
CS-3A
CS-3B
CS-4A
CS-4B
Vin/Iin
Vtrack
Temperature
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
CompensatorAalogfrontend
ADCref
POR/BOR
DPWM-1A
Ref 1
AnalogComparators
Trip1
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
PGood
SYNC-IN
SYNC-OUT
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
Trip2
Trip3
Trip4
Seq.
control
SEQ_1
SEQ_2
SEQ_3
nRESET
UCD9248
www.ti.com SLVSA33A –JANUARY 2010–REVISED AUGUST 2012
Figure 2. Functional Block Diagram
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