L9386 STMicroelectronics, L9386 Datasheet

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L9386

Manufacturer Part Number
L9386
Description
Dual Intelligent Power Low Side Switch
Manufacturer
STMicroelectronics
Datasheet

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This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
BLOCK DIAGRAM
September 2003
DUAL POWER LOW SIDE DRIVER WITH 2 x
5A
LOW R
INTERNAL OUTPUT CLAMPING DIODES
V
LIMITED OUTPUT VOLTAGE SLEW RATE
FOR LOW EMI
WIDE
RANGE 4.5V TO 45V
REAL TIME DIAGNOSTIC FUNCTIONS
- OUTPUT SHORTED TO GND
- OUTPUT SHORTED TO VSS
- OPEN LOAD
- LOAD BYPASS
- OVERTEMPERATURE
DEVICE PROTECTION FUNCTIONS
- OVERLOAD DISABLE
- REVERSE BATTERY UP TO -16V @ V
- THERMAL SHUTDOWN
P COMPATIBLE ENABLE AND INPUT
FB
=50V FOR INDUCTIVE RECIRCULATION
DSON
OPERATING
®
DIAG1
TYPICALLY 200m @ T
DIAG2
IN1
IN2
EN
DUAL INTELLIGENT POWER LOW SIDE SWITCH
SUPPLY
Diagnostic
Control
VOLTAGE
Output
Control
J
Q S
= 25 C
R
S
Channel 2
Channel 1
Delay
Timer
Overtemp
DESCRIPTION
The L9386MD is a monolithic integrated dual low
side driver realized in an advanced Multipower-
BCD mixed technology. It is especially intended
to drive valves in automotive environment. Its in-
puts are P compatible for easy driving. Particular
care
against failures, to avoid electro-magnetic inter-
ferences and to offer extensive real time diag-
nostic.
Openload
MULTIPOWER BCD TECHNOLOGY
Overload
has
ORDERING NUMBER: L9386MD
been taken to protect the device
SO20 (12+4+4)
GND
R O
L9386MD
OUT1
VS
OUT2
1/10

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L9386 Summary of contents

Page 1

... This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. MULTIPOWER BCD TECHNOLOGY = VOLTAGE DESCRIPTION The L9386MD is a monolithic integrated dual low side driver realized in an advanced Multipower- BCD mixed technology especially intended to drive valves in automotive environment. Its in- puts are P compatible for easy driving. Particular S ...

Page 2

... L9386MD PIN CONNECTION (Top view) DIAG2 OUT2 ABSOLUTE MAXIMUM RATINGS (no damage or latch) Symbol VS DC supply voltage DC VS Transient supply voltage ( Input voltage ( | IN,EN VD Diagnostic DC output voltage ( | DC DC output voltage Transient output voltage ( Output load current O I Reverse output current limited by load ...

Page 3

... IO 100mA CL a) Fig > 9. 150 10mA Fig Fig Fig Fig Fig. 1 L9386MD Value T Unit j1 Min. Typ. Max. 0. 0.35 0 0.51 0.55 0. ...

Page 4

... L9386MD DIAGNOSTIC TABLE (Operating range: 4.5V Conditions Normal function GND short VO < 0.55V typ Load bypass VO 1.25V 1,2 Open load IO < 320mA typ T 175 C j typ Oertemperature (**) Latched Over load IO > 5A min Reset over load latch (*) for 4.5V VS < 6.5V diag. table is valid. (**) If one diag. status shows the overtemp. recognition, in parallel this output will be switched OFF internally. The corresponding channel should be switched OFF additional by its Input or ENABLE signal, otherwise the overload latch will be set after t be related to the overdrop sensing which will be used as over load recognition ...

Page 5

... Figure 2: Output slope (IN)H V (IN OUT VO C 0.85VO C VS VS- 0.85VS VO UV 0.15VS V DIAG off S off H-L Diag L9386MD 5/10 ...

Page 6

... L9386MD Figure 3: Block diagram - Open load voltage detection 6/10 V Batt OUT1 OUT2 55% Enable & & Latch Q Latch S Q & VO UV1 R & VO UV2 IN 2 ...

Page 7

... Figure 4: Logic diagram. L9386MD voltage load open current load open reset latch current load open 7/10 ...

Page 8

... L9386MD CIRCUIT DESCRIPTION The L9386MD is a dual low side driver for induc- tive loads like valves in automotive environment. The device is enabled by a common CMOS com- patible ENABLE high signal. The internal pull down current sources at the ENABLE and INPUT pins protect the device in open input conditions against malfunctions ...

Page 9

... D 12.6 13 0.496 E 7.4 7.6 0.291 e 1. 10.65 0.394 h 0.25 0.75 0.010 L 0.4 1.27 0.016 K 0˚ (min.)8˚ (max inch MECHANICAL DATA TYP. MAX. 0.104 0.012 0.020 0.013 0.512 0.299 0.050 0.419 0.030 0.050 L9386MD OUTLINE AND SO20 h x 45˚ SO20MEC 9/10 ...

Page 10

... L9386MD Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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