L9341H STMicroelectronics, L9341H Datasheet

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L9341H

Manufacturer Part Number
L9341H
Description
MOSFET & Power Driver ICs Quad 24V 2A Lo-Side
Manufacturer
STMicroelectronics
Type
Quad Low Side Driverr
Datasheet

Specifications of L9341H

Mounting Style
Through Hole
Package / Case
Multiwatt-15
Number Of Drivers
4
Number Of Outputs
4
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L9341H
Manufacturer:
TI
Quantity:
4 709
DESCRIPTION
The L9341 is a monolithic integrated circuit real-
ized in Multipower BCD-II mixed technology. The
driver is intended for inductive loads in synchro-
nous PWM applications, especially for valve driv-
BLOCK & APPLICATION DIAGRAM
March 1994
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
DU/DT AND DI/DT CONTROL
PWM CONTROLLED OUTPUT CURRENT
SHORT CURRENT PROTECTION AND DI-
AGNOSTIC
INTEGRATED FLYBACK DIODE
UNDERVOLTAGE SHUTDOWN
OVERVOLTAGE AND UNDERVOLTAGE DI-
AGNOSTIC
OVERTEMPERATURE DIAGNOSTIC
10nF
Vcc
10uF
12.4k
R ext
I
cc
RES1
RES2
SCLK
REXT
OSC
SDO
SDI
CS
VCC
C
OSC
10
11
13
12
4
9
5
6
3
BIAS
GND
UNDERVOLTAGE
SHUTDOWN
8
CONTROLL
I
GND
THERMAL
FLAG
INTERFACE
SERIAL
PWM
&
CHANNEL 1
DRIVER
DIAGNOSTIC
ers. The output voltage and current rise and fall
slopes du/dt and di/dt are controlled.
CHANNEL 2
CHANNEL 3
CHANNEL 4
QUAD LOW SIDE DRIVER
di / dt & du / dt
PROTECTION
CONTROL
CURRENT
MULTIPOWER BCD TECHNOLOGY
SHORT
COMP2
COMP1
ORDERING NUMBERS: L9341V
V
V
flyth
offth
VS
V
s
7
I s
Multiwatt 15
I
outs
220nF
15
14
2
1
OUT1
OUT2
OUT3
OUT4
C
C
C
C
O1
C
10nF
O4
L9341H
BAT
I
10nF
O3
OUT1
O2
10nF
10nF
I
I
I OUT4
OUT2
OUT3
AVANCE DATA
D
BAT
L9341
1/10

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L9341H Summary of contents

Page 1

... COMP2 DIAGNOSTIC V offth THERMAL FLAG & CONTROL DRIVER SHORT CURRENT PROTECTION CHANNEL 1 SERIAL INTERFACE CHANNEL 2 & PWM CONTROLL CHANNEL 3 CHANNEL GND L9341 AVANCE DATA Multiwatt 15 L9341H 220nF BAT BAT OUT1 2 I OUT1 10nF outs OUT2 1 I OUT2 C O2 10nF OUT3 ...

Page 2

L9341 PIN CONNECTION (Top view) ABSOLUTE MAXIMUM RATINGS Symbol V V Voltage Range Voltage Range Voltage Range for t spmax V Schaffner Transient Pulses Vin Input Voltage Range for ...

Page 3

ELECTRICAL CHARACTERISTICS (Unless otherwise specified 150 (note 3 12.4K 1%). ext Symbol Parameter I V Quiescent Current ccq Quiescent Current Undervoltage Threshold ...

Page 4

L9341 Figure 1: Logic Diagram of PWM Generation. INTERNAL CLOCK CLK PWM1 PWM2 PWM3 PWM4 Figure 2: Output Switching Diagram. +12V 220 OUT I ...

Page 5

Figure 4: Synchronous Serial Interface Protocol. CS SCLK SDI MSB SDO MSB CS t clcl t chcl t ch SCLK SDI clz SDO f Clock Frequency clock t Width of Clock Input High Puls ch t Widh ...

Page 6

L9341 Figure 5: PWM Generation Function Table. Bit PWM1 0000 15/16 0001 1/16 0010 2/16 0011 3/16 0100 4/16 0101 5/16 0110 6/16 0111 7/16 1000 8/16 1001 9/16 1010 10/16 1011 11/16 1100 12/16 1101 13/16 ...

Page 7

Figure 7: Diagnostic Information from QLSD to Microcontroller. Bit Nr. Name 0 F11 COMP1 State at Positive Edge of PWM1 ( F12 COMP2 State at Negative Edge of PWM1 ( F21 COMP1 State at Positive Edge ...

Page 8

L9341 FUNCTIONAL DESCRIPTION The U511 is a PWM quad low side driver for in- ductive loads. The duty cycle of the internal gen- erated PWM signal is set by a microcontroller via a serial interface for each output. An output ...

Page 9

MULTIWATT15 PACKAGE MECHANICAL DATA DIM. MIN 0.49 F 0.66 G 1.02 G1 17. 21.9 L1 21.7 L2 17.65 L3 17.25 L4 10.3 L7 2.65 M 4.25 M1 4.63 S 1.9 S1 ...

Page 10

L9341 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics 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 ...

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