isppac-powr6at6 Lattice Semiconductor Corp., isppac-powr6at6 Datasheet - Page 12

• Manufacturer Part Number: isppac-powr6at6
• Description: In-system Programmable Power Supply Monitoring And Margining Controller
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Figure 7. ispPAC-POWR6AT6 Trim and Margin Block
There are six TrimCells in the ispPAC-POWR6AT6 device, enabling simultaneous control of up to six individual
power supplies. Each TrimCell can generate up to four trimming voltages to control the output voltage of the DC-DC
converter.
Figure 8. TrimCell Driving a Typical DC-DC Converter
CLTLOCK/SMBA
VPS[0:1]
CLTENb
TrimCell
Read – 10-bit ADC Code
#N
ispPAC-POWR6AT6
Input From ADC Mux
Margin/Trim Block
DAC
(Closed Loop)
(I
(I
(Register 0)
TrimCell
TrimCell
TrimCell
TrimCell
2
2
C Update)
C Update)
#1
#2
#3
#6
R
Trim 1
Trim 2
Trim 3
Trim 6
3
R
1
12
R
2
R1*
R2*
R3*
R6*
*Indicates resistor network (see Figure 8).
V
V
V
V
IN
IN
IN
IN
V
Trim
OUT
Trim-in
Trim-in
Trim-in
Trim-in
DC-DC
DC-DC
DC-DC
DC-DC
V
ispPAC-POWR6AT6 Data Sheet
Converter
OUT
DC-DC
V
IN
1.2V (I
1.5V (I
3.3V (EE) 3.46V
1V (CLT) 1.05V
0
2
2
DC-DC Output Voltage
C) 1.26V
C) 1.57V
Controlled by Profiles
1
0.97V
1.16V
1.45V
3.20V
2
0.95V
1.14V
1.42V
3.13V
3