l9907n STMicroelectronics, l9907n Datasheet

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l9907n

Manufacturer Part Number
l9907n
Description
Motor Bridge For Headlight Adjustment
Manufacturer
STMicroelectronics
Datasheet

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Part Number:
l9907nD
Manufacturer:
ST
0
BLOCK DIAGRAM
December 1996
WITH LOW SATURATION VOLTAGE LESS
THAN 3.2V AT OUTPUT CURRENT 0.7A
TO 18V. SUPPLY OVERVOLTAGEUP TO 50V
NOISE IMMUNITY DUE TO TRANSFER
CHARACTERISTICS WITH NEUTRAL ZONE
AND STOP RANGE THRESHOLD
THE MOTOR
INPUT CONDITION
FUNCTION FOR Vs MORE THAN 18V, UP
TO 50V
SIENTS ON THE BATTERY LINE AND THE
REVERSE BATTERY CONDITION
FULL BRIDGE OUTPUT CONFIGURATION
OPERATING SUPPLY VOLTAGE RANGE 7V
HIGH POSITIONING PRECISION AND HIGH
FAST STOP THROUGH SHORT-CIRCUITING
MOTOR STOP STATUS IN CASE OF OPEN
SUPPLY
INPUT
THERMAL OVERLOAD PROTECTION
ESD PROTECTED ACCORDING TO MIL883C
V
V
INC
INF
PROTECTION
=
=
OVERVOLTAGE
R
PR
INC
I
INF
I
PR
INC
INF
MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT
AGAINST
=
1.2V
=
PROTECTION
=
1.2V
=
TRAN-
+
+
-
-
REFERENCE
BIAS
DESCRIPTION
The L9907N is a monolithic integrated power
comparator with full bridge output configuration,
intended for driving DC motors in positioning sys-
tems, optimized for headlight adjustment applica-
tion and respecting the automotive electronics en-
vironmental conditions.
L9907N
ORDERING NUMBER: L9907ND (SO20L)
PROTECTION
FUNCTIONS
D95AT189
SO20L(12+4+4)
GND
V
OUT C
OUT F
S
L9907N
I
M
=
M
V
S
1/8

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l9907n Summary of contents

Page 1

... December 1996 SO20L(12+4+4) ORDERING NUMBER: L9907ND (SO20L) DESCRIPTION The L9907N is a monolithic integrated power TRAN- comparator with full bridge output configuration, intended for driving DC motors in positioning sys- tems, optimized for headlight adjustment applica- tion and respecting the automotive electronics en- vironmental conditions. ...

Page 2

... L9907N ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage SDC V Supply Voltage Pulse ( Output Current OUT_DC I Output Current Pulsed (100ms) OUT_P I DC Input Current IN I Input Current Pulse (2ms Storage Shutdown Junction Temperature Range (*) s (*) Recommended maximal T 105 C amb PIN CONNECTION ...

Page 3

... OUTPUTS = UNDEFINED for: V -2V < INC V -1.5V < -1.4V < Figure 1: L9907N Differential Input to Output Transfer Characteristics V N- MOTOR DIRECTION RIGHT D95AT182 < 18V, –40 C < T < 150 C; unless otherwise specified Test Condition Min (Output Open) OUT |V | < ...

Page 4

... RANGE and high noise immunity in the adjusted condition due to the NEUTRAL ZONE hysteresis thresholds . Both the above described thresholds are defined referring pins. The error due to voltage NC NF Figure 3: Recommended Application Circuit Diagram with L9907N for tracking regulation ( for 1.5V < V < ...

Page 5

... This behaviour is assured with the thermal shutdown hysteresis threshold , which minimum value Figure 3, 5 and 7 show typical application dia- grams for headlight adjustment applications. To Figure 5: RecommendedApplication Circuit Diagram with L9907Nfor proportionalregulation with extended V operating range. For ideal adjusted condition ...

Page 6

... C D95AT187A V BAT V - 1.5V 0 1. ALLOWED VC OPERATING RANGE Figure 7: Recommended Application Circuit Diagram with L9907N for proportional regulation with reduced V operating range. For ideal adjusted condition BAT Note: Recommended value (equivalent input resistance to I ...

Page 7

... SO20 PACKAGE MECHANICAL DATA mm DIM. MIN. TYP 0 0.35 b1 0. 1.27 e3 11.43 F 7 inch MAX. MIN. TYP. 2.65 0.3 0.004 2.45 0.49 0.014 0.32 0.009 0.020 45 (typ.) 13.0 0.496 10.65 0.394 0.050 0.450 7.6 0.291 1.27 0.020 0.75 8 (max.) L9907N MAX. 0.104 0.012 0.096 0.019 0.013 0.512 0.419 0.299 0.050 0.030 7/8 ...

Page 8

... L9907N 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 its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned in this publication are subject to change without notice ...

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