L6740L STMicroelectronics, L6740L Datasheet - Page 6
![IC HYBRID CONTROLLERS 48TQFP](/photos/27/13/271375/tqfp-48_sml.jpg)
L6740L
Manufacturer Part Number
L6740L
Description
IC HYBRID CONTROLLERS 48TQFP
Manufacturer
STMicroelectronics
Datasheet
1.L6740LTR.pdf
(44 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L6740L
Manufacturer:
ST
Quantity:
20 000
Part Number:
L6740LTR
Manufacturer:
ST
Quantity:
20 000
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