r2j20657np Renesas Electronics Corporation., r2j20657np Datasheet - Page 2

• Manufacturer Part Number: r2j20657np
• Description: Integrated Driver - Mos Fet Drmos
• Manufacturer: Renesas Electronics Corporation.

R2J20657NP
Block Diagram
LSDBL#
Notes: 1. Truth table for the DISBL# pin
R07DS0247EJ0100 Rev.1.00
Jan 25, 2011
DISBL#
THWN
PWM
3. Output signal from the UVL block
5. Truth table for the THDN block
"L"
"Open"
"H"
< 150°C
> 150°C
UVL output
Logic Level
DISBL# Input
Driver IC Temp.
CGND
Input Logic
(TTL Level)
(3 state in)
CGND
Reg5V
THWN
160 k
CGND
2 μA
Reg5V
"H"
"L"
For shutdown
Shutdown (GL, GH = "L")
Shutdown (GL, GH = "L")
Enable (GL, GH = "Active")
THDN
Enable (GL, GH = "Active")
Shutdown (GL, GH = "L")
(latch-off)
Driver Chip Status
Driver Chip Status
VL
Supervisor
VCIN
UVL
VH
Reg5V
For active
Level Shifter
Reg5V
Overlap
Protection.
& Logic
VCIN
Boot
SW
BOOT
Reg5V
35 k
2. Truth table for the LSDBL# pin
4. Output signal from the THWN block
"L"
"Open"
"H"
Thermal Warning
Logic Level
LSDBL# Input
GH
20 k
GL
Driver Chip
"H"
"L"
"L"
"Active"
"Active"
Normal
operating
TwarnL
GL Status
TwarnH
VIN
VSWH
PGND
Preliminary
Page 2 of 16
Thermal
Warning
High-side
MOS FET
Low-side
MOS FET
T
IC
(°C)