L6740L STMicroelectronics, L6740L Datasheet - Page 6

• Manufacturer Part Number: L6740L
• Description: IC HYBRID CONTROLLERS 48TQFP
• Manufacturer: STMicroelectronics

Specifications of L6740L

• Applications: Hybrid Controllers
• Voltage - Supply: 9 V ~ 15 V
• Current - Supply: 20mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP Exposed Pad, 48-eTQFP, 48-HTQFP, 48-VQFP
• Number Of Outputs: 2
• Output Current: 170 A
• Input Voltage: 13.2 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Hybrid Controller: compatible with PVI and SVI CPUs
• Dual Controller: 2 to 4 scalable phases for CPU CORE, 1 phase for NB
• Dual Over-current Protection: Average and per-phase
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Typical application circuit and block diagram
6/44
Figure 3.
ST L6740L (2+1) Reference Schematic
(*) PVCC Only applies to L6741; EN Only applies to L6743. See related DS for further details
(**) Pin not listed to be considered as Not Connected
PVI / SVID Bus
L
R
R
R
NB
LTBG
OVP
OSC
R
C
FB
BULK_NB
C
HF_NB
C
R
F
F
C
Typical 2+1 application circuit
OUT_NB
C
R
LTB
LTB
HS
LS
41
37
38
35
36
40
39
25
26
10
27
29
11 LTB_GAIN
12
8
3
5
4
9
NB
NB
PWRGOOD
PWROK
EN
VID0
VID1
VID2/SVD
VID3/SVC
VID4
VID5
OVP / V_FIX
OSC / FLT
OS
NB_OS
PSI_L
COMP
DROOP
FB
LTB
34
C
MLCC_NB
C
F_NB
2
R
F_NB
BOOT
UGATE
PHASE
LGATE
32
VCC
1
PVCC*
33
OC_AVG / LI
OC_PHASE
NB_ENDRV 42
R
FB_NB
NB_VSEN
NB_PWM
NB_ISEN
NB_FBG 30
PWM
GND
ENDRV 43
EN*
C
PWM1
PWM2
PWM3
PWM4
VSEN
CS1+
CS2+
CS3+
CS4+
DEC_NB
CS1- 14
CS2- 16
CS3- 18
CS4- 20
FBG
48
47
46
45
44
21
28 R
13
15
17
19
23
31
7
6
R
R
R
R
R
ISEN
R
G
G
G
G
OC_AVG
OC_TH
SVID / PVID Interface
PVI / SVID AM2 CPU
C
C
DEC
DEC
PWM
EN*
GND
PWM
EN*
GND
VCC
VCC
PVCC*
PVCC*
UGATE
UGATE
C
PHASE
PHASE
LGATE
LGATE
BOOT
BOOT
MLCC
C
OUT
HS1
HS2
LS1
LS2
C
C
HF
HF
R
R
C
L1
L2
C
C
BULK_IN
L
L6740L
IN
V
IN