ST L9333 User Manual

L9333

QUAD LOW SIDE DRIVER

■WIDE OPERATING SUPPLY VOLTAGE RANGE FROM 4.5V UP TO 32V FOR TRANSIENT 45V

■VERY LOW STANDBY QUIESCENT CURRENT TYPICALLY < 2µA

■INPUT TO OUTPUT SIGNAL TRANSFER FUNCTION PROGRAMMABLE

■HIGH SIGNAL RANGE FROM -14V UP TO 45V FOR ALL INPUTS

■3.3V CMOS COMPATIBLE INPUTS

■DEFINED OUTPUT OFF STATE FOR OPEN INPUTS

■FOUR OPEN DRAIN DMOS OUTPUTS, WITH RDSon = 1.5Ω FOR VS > 6V AT 25°C

■OUTPUT CURRENT LIMITATION

■CONTROLLED OUTPUT SLOPE FOR LOW EMI

■OVERTEMPERATURE PROTECTION FOR EACH CHANNEL

■INTEGRATED OUTPUT CLAMPING FOR FAST INDUCTIVE RECIRCULATION VFB > 45V

BLOCK DIAGRAM

MULTIPOWER BCD TECHNOLOGY

SO20 (12+4+4)	DIE
ORDERING NUMBERS:
L9333MD	(SO20 12+4+4)
L9333DIE1	(DIE)

■STATUS MONITORING FOR

-OVERTEMPERATURE

-DISCONNECTED GROUND OR SUPPLY VOLTAGE

DESCRIPTION

The L9333 is a monolithic integrated quad low side driver. It is intended to drive lines, lamps or relais in automotive or industrial applications.

IN 4	CHANNEL4		OU T 4
	VS
IN 1	R IN		OU T 1
		=
		&
	PRG
		TH ER MAL
		S HUT-
		D OWN	CHANNEL1
		4
PRG	R IN	D IA G-	DIAG
		NO STIC
		LOG IC
	R EN
EN
VS			Vint
		REFERE NCE Vlogic
G ND

March 2001

1/13

L9333

PIN CONNECTION (Top view)

IN1 1

IN2 2

DIAG 3

GND 4

GND 5

GND 6

GND 7

VS 8

IN3 9

IN4 10

Med. Power

So 12+4+4

20 PRG

19 OUT1

18 OUT2

17 GND

16 GND

15 GND

14 GND

13 OUT3

12 OUT4

11 EN

PIN FUNCTION

	Pin	Pin Name	Description
	N°
	1	IN 1	Input 1
	2	IN 2	Input 2
	3	DIAG	Diagnostic
	4, 5, 6, 7,	GND	Ground
	14, 15,
	16, 17
	8	VS	Supply Voltage
	9	IN 3	Input 3
	10	IN 4	Input 4
	11	EN	Enable
	12	OUT4	OUTPUT4
	13	OUT 3	OUTPUT 3
	18	OUT 2	OUTPUT 2
	19	OUT 1	OUTPUT 1
	20	PRG	Programming

2/13

			L9333
ABSOLUTE MAXIMUM RATINGS
Symbol	Parameter	Value	Unit
VS	Supply voltage DC	-0.3 to 32	V
	Supply voltage Pulse (T = 400ms)	-0.3 to 45	V
dVS/dt	Supply voltage transient	-10 to +10	V/µs
VIN, VEN,	Input, Enable, Programming	-14 to 45	V
VPRG	Pin voltage
VOUT	Output voltage	-0.3 to 45 1)	V
VDIAG	Diagnostic output voltage	-0.3 to 45	V

Note 1) : In flyback phase the output voltage can reach 60V.

ESD - PROTECTION

	Parameter	Value	Unit
		against GND
	Supply pins and signal pins	± 2	KV
	Output pins	± 4	KV

Note: Human-Body-Model according to MIL 883C. The device widthstand ST1 class level.

THERMAL DATA

Symbol	Parameter	Min	Typ	Max	Unit
TJSD	Temperature shutdown threshold	175		220	°C
TJSDhys	Temperature shutdown hysteresis		20		K
SO 12+4+4
Rth (j-p)	Thermal resistance junction to pins			15	°C/W
Rth (j-a)	Thermal resistance junction to ambient 2)			50	°C/W

Note 2) : With 6cm2 on board heat sink area.

LIFE TIME

Symbol	Parameter	Condition	Value	Unit
tB	useful life time	VS ≤ 14V	20	years
		EN = low
tb	operating life time	4.5V ≤ VS ≤ 32V	5000	hours
		EN = high

3/13

L9333

OPERATING RANGE:

Within the operating range the IC operates as described in the circuit description, including the diagnostic table.

Symbol	Parameter	Condition	Min	Max	Unit
VS	Supply voltage		4.5	32	V
VIN, VEN,	Input voltage		-14	45	V
VPRG
VOUT	Output voltage	Voltage will be limited by internal Z-	-0.3	60	V
		Diode clamping
VDIAG	Diagnostic output voltage		-0.3	45	V
TJ	Junction temperature		-40	150	°C

ELECTRICAL CHARACTERISTCS

The electrical characteristics are valid within the defined Operating Conditions, unless otherwise specified. The function is guaranteed by design until TJSDon switch-on-threshold.

Symbol	Parameter		Test Condition	Min.	Typ.	Max.	Unit
SUPPLY
IQ	Quiescent current		VS ≤ 14V; VEN ≤ 0.3V		< 2	10	µA
			Tamb 85 °C
			VS ≤ 14V; VEN ≤ 0.3V			50	µA
			Ta 150°C
			VS ≤ 14V; EN = high, Output = off		1	2	mA
			EN = high, Output = on			3.5	mA
Inputs, IN1 - IN4; Programming, PRG
VINlow	Input voltage LOW			-14		1	V
VINhigh	Input voltage HIGH			2		45	V
IIN	Input current		0V ≤ VIN ≤ 45V 3)	-25		50	µA
RIN	Input impedance		VIN < 0V; VIN > VS	10	60		kΩ

Note 3) : Current direction depends on the programming setting (PRG=high leads into a positive current see also Blockdiagram page 1)

Enable EN

VENlow	Input voltage LOW		-14		1	V
VENhigh	Input voltage HIGH		2		45	V
REN	Input impedance	-14V < VEN < 1.5V	5			kΩ
IEN	Input current	1.5V < VEN < 45V	5		80	µA

4/13