L6788ATR STMicroelectronics, L6788ATR Datasheet
L6788ATR
Specifications of L6788ATR
Available stocks
Related parts for L6788ATR
L6788ATR Summary of contents
Page 1
... Advanced IC and VRM thermal management to assure robust design and safe operation. The controller assures fast protection against load overcurrent and under / overvoltage. L6788A is available in VPQFN package. Table 1. Device summary Order code L6788A L6788ATR Doc ID 15341 Rev 2 L6788A VPQFN40 - Package Packing VPQFN40 Tray VPQFN40 Tape and reel www ...
Page 2
Contents Contents 1 Application circuit and block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Principle application circuit . ...
Page 3
L6788A 1 Application circuit and block diagram 1.1 Principle application circuit Figure 1. Principle application circuit Application circuit and block diagram (a) Doc ID 15341 Rev 2 3/18 ...
Page 4
Application circuit and block diagram 1.2 Block diagram Figure 2. Block diagram MODE RT/DROOP 10uA 10uA VID0 VID1 SMBUS INTERFACE SCL SDA I REF 10uA OUTEN & VR_HOT VR_HOT/EN 1.240V a. Refer to the application note for ...
Page 5
L6788A 2 Pins description and connection diagram Figure 3. Pin connection (top view) 2.1 Pin description Table 2. Pin description Pin n° Name 1 BOOT1 2 UGATE1 3 POK 4 SCL 5 SDA Pins description and connection diagram 30 29 ...
Page 6
Pins description and connection diagram Table 2. Pin description (continued) Pin n° Name VR_HOT VID1 8 VID0 9 IREF CS1- 14 CS1+ 15 CS2- 6/18 Description Voltage regulator HOT / ...
Page 7
L6788A Table 2. Pin description (continued) Pin n° Name 16 CS2+ 17 CS3- 18 CS3+ 19 FBRTN COMP 22 AGND 23 VSEN RT/ 24 DROOP 25 IOUT/OCP Pins description and connection diagram Description Channel 2 current sense ...
Page 8
Pins description and connection diagram Table 2. Pin description (continued) Pin n° Name 26 MODE 27 TCS 28 5VCC 29 UGATE3 30 BOOT3 31 PHASE3 32 LGATE3 33 VCC2_DR 34 UGATE2 35 BOOT2 36 PHASE2 37 LGATE2 8/18 Description Phase ...
Page 9
L6788A Table 2. Pin description (continued) Pin n° Name 38 VCC1_IC 39 LGATE1 40 PHASE1 41 PGND Pins description and connection diagram Description Device supply voltage pin. The operative supply voltage ± 10%. Connect to 12 V_BUS ...
Page 10
Maximum ratings 3 Maximum ratings 3.1 Thermal data Table 3. Thermal data Symbol Thermal resistance junction to ambient R thJA (Device soldered on 2s2p PC board) R Thermal resistance junction to case thJC T Maximum junction temperature MAX T Storage ...
Page 11
L6788A 4 Electrical specifications 4.1 Electrical characteristics ± 15 Table 5. Electrical characteristics Symbol Parameter Supply voltages operating conditions V Device supply voltage CC1_IC V LS driver supply voltage CC2_DR Vsuorces Conversion input voltage ...
Page 12
Electrical specifications Table 5. Electrical characteristics (continued) Symbol Parameter Reference and DAC V Output voltage accuracy OUT I R source current IREF pin voltage IREF Accuracy 5VCC Maximum output current VID threshold; PVID mode VID Pull-down current ...
Page 13
L6788A Table 6. GPU table for SVID mode STEP VID5 ...
Page 14
Electrical specifications Table 6. GPU table for SVID mode (continued) STEP VID5 ...
Page 15
L6788A Table 7. PVID mode table VID1 (pin) VID0 (pin Selected dynamic voltage table (DVT) level 0 Level 1 1 Level 2 0 Level 3 1 Level 4 Doc ID 15341 Rev 2 Electrical specifications Resistor ...
Page 16
Mechanical data and package dimensions 5 Mechanical data and package dimensions In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and ...
Page 17
L6788A 6 Revision history f Table 8. Document revision history Date Revision 27-Jan-2009 22-Jul-2009 1 Initial release 2 Updated Figure 2 on page 4 Doc ID 15341 Rev 2 Revision history Changes 17/18 ...
Page 18
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...