L6918A STMicroelectronics, L6918A Datasheet - Page 2

• Manufacturer Part Number: L6918A
• Description: 5 BIT PROGRAMMABLE MULTIPHASE CONTROLLER
• Manufacturer: STMicroelectronics

L6918 L6918A
L6918A (MASTER) DEVICE BLOCK DIAGRAM
L6918 (SLAVE) DEVICE BLOCK DIAGRAM
2/35
SLAVE_OK
SLAVE_OK
SLAVE_OK
SLAVE_OK
VPROG_IN
VPROG_IN
SYNC_I N
SYNC_I N
PGOOD
PGOOD
PGOOD
PGOOD
VID4
VID4
VID3
VID3
VID2
VID2
VID1
VID1
VID0
VID0
FBG
FBG
FBR
FBR
SLAVE / ADJ
SLAVE / ADJ
SOFT- STAR T
SOFT- STAR T
10 k
10 k
10 k
10 k
DIGITAL
DIGITAL
DAC
DAC
1 0k
1 0k
SYNC_ OUT
SYNC_ OUT
CIRCUITRY
CIRCUITRY
CIRCUITRY
CIRCUITRY
SYNCH.
SYNCH.
SYNCH.
SYNCH.
REMOTE
REMOTE
BUFFER
BUFFER
SYNC_OUT
SYNC_OUT
1 0k
1 0k
VSEN
VSEN
VSEN
VSEN
V SEN
V SEN
ROSC / INH
ROSC / INH
I
I
I
I
FB
FB
FB
FB
CH1 OCP
CH1 OCP
CH1 OCP
CH1 OCP
ROSC / INH
ROSC / INH
FB
FB
FB
FB
CH2 OCP
CH2 OCP
CH2 OCP
CH2 OCP
AMPLIFIER
AMPLIFIER
AMPLIFIER
AMPLIFIER
VCC
VCC
VCC DR
VCC DR
VCC
VCC
VCC DR
VCC DR
ERROR
ERROR
ERROR
ERROR
COMP
COMP
COMP
COMP
CUR RENT
CUR RENT
CUR RENT
CUR RENT
TO TAL
TO TAL
TO TAL
TO TAL
SGND
SGND
SGND
SGND
P WM1
P WM1
P WM2
P WM2
P WM1
P WM1
P WM2
P WM2
OCP
OCP
OCP
OCP
OCP
OCP
OCP
OCP
CH1
CH1
CH2
CH2
CH1
CH1
CH2
CH2
Vcc
Vcc
Vcc
Vcc
Vc c
Vc c
Vc c
Vc c
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
READING
READING
READING
READING
READING
READING
READING
READING
READING
READING
READING
READING
VCCDR
VCCDR
VCCDR
VCCDR
HS
HS
LS
LS
HS
HS
HS
HS
LS
LS
HS
HS
LS
LS
LS
LS
BOOT1
BOOT1
PHASE1
PHASE1
LGATE1
LGATE1
ISEN1
ISEN1
PGNDS1
PGNDS1
PGND
PGND
PGNDS2
PGNDS2
ISEN2
ISEN2
LGATE2
LGATE2
PHASE2
PHASE2
UGATE2
UGATE2
BOOT2
BOOT2
UGATE1
UGATE1
BOOT1
BOOT1
PHASE1
PHASE1
LGATE1
LGATE1
ISEN1
ISEN1
PGNDS1
PGNDS1
PGND
PGND
PGNDS2
PGNDS2
ISEN2
ISEN2
LGATE2
LGATE2
PHASE2
PHASE2
UGATE2
UGATE2
BOOT2
BOOT2
UGATE1
UGATE1