L6740L STMicroelectronics, L6740L Datasheet - Page 2
![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
Contents
Contents
1
2
3
4
5
6
2/44
Typical application circuit and block diagram . . . . . . . . . . . . . . . . . . . . 4
1.1
1.2
Pins description and connection diagrams . . . . . . . . . . . . . . . . . . . . . . 8
2.1
2.2
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1
3.2
Device description and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hybrid CPU support and CPU_TYPE detection . . . . . . . . . . . . . . . . . . 16
5.1
5.2
5.3
5.4
Output voltage positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1
6.2
6.3
6.4
6.5
6.6
6.7
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
PVI - parallel interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PVI start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SVI - serial interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
SVI start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
CORE section - phase # programming . . . . . . . . . . . . . . . . . . . . . . . . . . 24
CORE section - current reading and current sharing loop . . . . . . . . . . . . 24
CORE section - load-line and load-indicator (optional) . . . . . . . . . . . . . . 25
CORE section - offset (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
NB section - current reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
NB section - load-line and load-indicator (optional) . . . . . . . . . . . . . . . . . 27
NB section - offset (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Set VID command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PWROK de-assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
PSI_L and efficiency optimization at light-load . . . . . . . . . . . . . . . . . . . 21
HiZ management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Hardware jumper override - V_FIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
L6740L