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L6494LD

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
Pin description and connection diagram L6494
4/18 DocID030317 Rev 2
2 Pin description and connection diagram
Figure 2. Pin connection SO-14 (top view)
Table 1. Pin description
Pin no. Pin name Type Function
1INI
Output drivers logic input (is in phase with HVG and in opposition of
phase with LVG)
2SD
- Shutdown logic input (active-low)
4 DT I Deadtime setting
6LVG
(1)
1. The circuit guarantees less than 1 V on the LVG and HVG pins (at I
sink
= 10 mA), with V
CC
> 3 V. This
allows omitting the “bleeder” resistor connected between the gate and the source of the external MOSFET
normally used to hold the pin low.
O Low-side driver output
7 VCC P Low-side section supply voltage
11 OUT P High-side (floating) section common voltage
12 HVG
(1)
O High-side driver output
13 BOOT P High-side (bootstrapped) section supply voltage
3 SGND P Signal ground
5 PGND P Power ground
8, 9, 10, 14 NC - Not connected
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DocID030317 Rev 2 5/18
L6494 Electrical data
18
3 Electrical data
3.1 Absolute maximum ratings
3.2 Thermal data
Table 2. Absolute maximum ratings
(1)
1. Each voltage referred to SGND unless otherwise specified.
Symbol Parameter
Value
Unit
Min. Max.
V
CC
Supply voltage -0.3 21 V
V
PGND
Low-side driver ground V
CC
- 21 V
CC
+ 0.3 V
V
OUT
Output voltage V
BOOT
- 21 V
BOOT
+ 0.3 V
V
BOOT
Boot DC voltage -0.3 500 V
Boot transient withstand voltage (T
pulse
< 1 ms) - 620 V
V
hvg
High-side gate output voltage V
OUT
- 0.3 V
BOOT
+ 0.3 V
V
lvg
Low-side gate output voltage PGND - 0.3 V
CC
+ 0.3 V
V
i
Logic input pins voltage -0.3 15 V
dV
OUT
/dt Allowed output slew rate - 50 V/ns
P
TOT
Total power dissipation (T
A
= 25 °C) SO-14 - 1 W
T
J
Junction temperature - 150 °C
T
stg
Storage temperature -50 150 °C
ESD Human body model 2 kV -
Table 3. Thermal data
Symbol Parameter Package Value Unit
R
th(JA)
Thermal resistance junction to ambient SO-14 120 °C/W
Electrical data L6494
6/18 DocID030317 Rev 2
3.3 Recommended operating conditions
Table 4. Recommended operating conditions
Symbol Pin Parameter Test condition Min. Max. Unit
V
CC
VCC Supply voltage - 10 20 V
V
PS
(1)
1. V
PS
= V
PGND
- SGND.
SGND - PGND Low-side driver ground - -5 +5 V
V
BO
(2)
2. V
BO
= V
BOOT
- V
OUT
.
BOOT - OUT Floating supply voltage - 9.3 20 V
V
OUT
OUT
OUT DC voltage - - 9
(3)
3. LVG off. V
CC
= 12.5 V. Logic is operational if V
BOOT
> 5 V.
480 V
OUT transient
withstand voltage
T
pulse
< 1 ms - 600 V
f
SW
-
Maximum switching
frequency
HVG, LVG load C
L
= 1 nF - 800 kHz
T
J
- Junction temperature - -40 125 °C
T
A
- Ambient temperature
(4)
4. Maximum ambient temperature is actually limited by T
J
.
- -40 125 °C
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

L6494LD

Mfr. #:
Buy L6494LD
Manufacturer:
STMicroelectronics
Description:
Gate Drivers IND. & POWER CONV.
Lifecycle:
New from this manufacturer.
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