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PDF L9733CN Data sheet ( Hoja de datos )
| Número de pieza | L9733CN | |
| Descripción | Automotive octal self configuring low/high side driver | |
| Fabricantes | STMicroelectronics | |
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L9733
Automotive octal self configuring low/high side driver
Datasheet - production data
Controlled SR for reduced EMC
3RZHU662
*$3*36
Features
AEC-Q100 (Rev. F) qualified
Eight independently self configuring low/high
drivers
Supply voltage from 4.5 V to 5.5 V
RON(max) = 0.7 Ω @ Tj = 25 °C,
RON(max) = 1.2 Ω @Tj = 125 °C
Minimum current limit of each output 1 A
Output voltage clamping min. 40 V in low-side
configuration
Output voltage clamping max. -14 V in high-side
configuration
SPI interface for outputs control and for
diagnosis data communication
Additional PWM inputs for 3 outputs
Independent thermal shutdown for all outputs
open load, short to GND, short to Vb,
overcurrent diagnostics in latched or unlatched
mode for each channel
Internal charge pump without need of external
capacitor
Description
The L9733 is a highly flexible monolithic, medium
current, output driver that incorporates 8 outputs
that can be used as either internal low or high-side
drives in any combination.
Outputs 1-8 are self-configuring as high or low-
side drives. Self-configuration allows a user to
connect a high or low-side load to any of these
outputs and the L9733 will drive them correctly as
well as provide proper fault mode operation with
no other needed inputs. In addition, outputs 6, 7 and
8 can be PWM controlled via a external pins (IN6-8).
This device is capable of switching variable load
currents over the ambient range of -40 °C to
+125 °C. The outputs are MOSFET drivers to
minimize Vdd current requirements. For low-side
configured outputs an internal zener clamp from
the drain to gate with a breakdown of 50 V
minimum will provide fast turn off of inductive
loads. When a high-side configured output is
commanded Off after having been commanded
On, the source voltage will go to (VGND - 15 V).
An 16 bit SPI input is used to command the 8
output drivers either "On" or "Off", reducing the
I/O port requirement of the microcontroller.
Multiple L9733 can be daisy-chained. In addition
the SPI output indicates latched fault conditions
that may have occurred.
Order code
L9733XP
L9733XPTR
L9733CN
L9733CNTR
Table 1. Device summary
Package
PowerSSO-28 (Exposed pad)
PowerSSO-28 (Exposed pad)
PowerSSO-28 (Exposed pad)
PowerSSO-28 (Exposed pad)
Packing
Tube
Tape and reel
Tube
Tape and reel
May 2016
This is information on a product in full production.
DocID11319 Rev 12
1/35
www.st.com
1 page  
L9733
List of figures
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Output turn on/off delays and slew rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
DO loading for disable time measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Output loading for slew rate measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
SPI input/output timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
SPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
HVAC applicative examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Powertrain applicative examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Optimized circuit layout to achieve proper EMI/ESD capability . . . . . . . . . . . . . . . . . . . . . 31
PowerSSO-28 (exposed pad) package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
DocID11319 Rev 12
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5 Page 
L9733
3
Electrical performance characteristics
Electrical performance characteristics
These are the electrical capabilities this part was designed to meet. It is required that every
part meets these characteristics.
3.1 DC characteristics
Tamb = -40 to 125 °C, Vdd = 4.5 to 5.5 Vdc, Vbat = 4.5 to 18 Vdc (high-side configuration),
unless otherwise specified.
Symbol
IN6vih
IN6vil
IIN6il
IIN6ih
IN7vih
IN7vil
IIN7il
IIN7ih
IN8vih
IN8vil
IIN8il
IIN8ih
CSih
CSil
ICSih
ICSil
SCLKih
SCLKil
ISCLKih
ISCLKil
DIih
DIil
IDIih
IDIil
DOol
DOoh
Parameter
IN6 input voltage
IN6 input current
IN7 input voltage
IN7 input current
IN8 input voltage
IN8 input current
CS input voltage
CS input current
SCLK input voltage
SCLK input current
DI input voltage
DI input current
DO output voltages
Table 6. DC characteristics
Conditions
-
-
In6 = 0 VDC
In6 = VDO
-
-
In7 = 0 VDC
In7 = VDO
-
-
In8 = 0 VDC
In8 = VDO
-
-
CS = VDO
CS = 0 VDC
-
-
SCLK = VDO
SCLK = 0 VDC
-
-
DI = VDO
DI = 0 VDC
IDO = 2.5 mA
IDO = -2.5 mA
Min Typ
-
0.3vdo
-
-
-
-
10
-
0.3vdo
-
-
-
-
-
10
-
0.3vdo
-
10
-
-
-
-
-
-
0.3vdo
-
10
-
-
-
-
-
0.3vdo
-
10
-
-
-
-
-
-
0.3vdo
-
10
-
-
-
-
-
vdo-0.6 -
Max Units
0.7vdo
-
|10|
V
V
μA
100
0.7vdo
-
|10|
μA
V
V
μA
100
0.7vdo
-
|10|
100
μA
V
V
μA
μA
0.7vdo
-
|10|
100
V
V
μA
μA
0.7vdo
-
|10|
100
0.7vdo
V
V
μA
μA
V
-V
|10| μA
100 μA
0.4 V
-V
DocID11319 Rev 12
11/35
34
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet L9733CN.PDF ] | |
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