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L9907ND, L9909, L9925

Table of contents:
Info of L9907ND
Info of L9909
Info of L9925

L9907ND, L9909, L9925 Selling Leads, Datasheet

MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:SOP20 D/C:08+/09+

L9907ND, L9909, L9925 Datasheet download

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Part Number: L9925

Category: Integrated Circuits (ICs)

MFG: STMicroelectronics

Package Cooled: SOP20

D/C: 08+/09+

Description: IC DRVR DUAL FULL BRIDGE 28SOIC

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L9907ND General Description

The L9907N is a monolithic integrated power comparator with full bridge output configuration, intended for driving DC motors in positioning systems, optimized for headlight adjustment application and respecting the automotive electronics environmental conditions.

L9907ND Maximum Ratings

Symbol	Parameter	Value	Unit
V_SDC	DC Supply Voltage	26	V
V_SP	Supply Voltage Pulse (T 400ms)	50	V
I_{OUT_DC}	DC Output Current	±0.4	A
I_{OUT_P}	Output Current Pulsed (100ms)	0.8	A
I_IN	DC Input Current	±10	mA
I_IN	Input Current Pulse (2ms)	±40	mA
T_s	Storage Shutdown Junction Temperature Range (*)	150	°C

(*) Recommended maximal T_amb 105°C

L9907ND Features

·FULL BRIDGE OUTPUT CONFIGURATION WITH LOW SATURATION VOLTAGE LESS THAN 3.2V AT OUTPUT CURRENT 0.7A
·OPERATING SUPPLY VOLTAGE RANGE 7V TO 18V. SUPPLY OVERVOLTAGEUP TO 50V
·HIGH POSITIONING PRECISION AND HIGH NOISE IMMUNITY DUE TO TRANSFER CHARACTERISTICS WITH NEUTRAL ZONE AND STOP RANGE THRESHOLD
·FAST STOP THROUGH SHORT-CIRCUITING THE MOTOR
·MOTOR STOP STATUS IN CASE OF OPEN INPUT CONDITION
·SUPPLY OVERVOLTAGE PROTECTION FUNCTION FOR Vs MORE THAN 18V, UP TO 50V
·INPUT PROTECTION AGAINST TRANSIENTS ON THE BATTERY LINE AND THE REVERSE BATTERY CONDITION
·THERMAL OVERLOAD PROTECTION
·ESD PROTECTED ACCORDING TO MIL883C

L9907ND Connection Diagram

L9909 General Description

The output current at ROSC pin is mirrored to COSC pin with a proper direction according to its voltage slope.

The triangular wave form at COSC pin, being compared with a threshold, defines the PWMduty cycle at the motor driver outputM+ and M-. The oscillator also supplies the time base for the switch off and switch on delays and the Time Out Counter.

The typical oscillator period is: Tosc = 7.04 x Rosc x Cosc

L9909 Maximum Ratings

Symbol	Parameter	Value	Unit
V_CC	DC battery supply voltage	-0.3 to 55	V
V_{CC_t}	Transient battery supply voltage (Figs. 4 and 5)	-0.3 to VCC_CL (*)	V
V_in	Voltage at VCOM and VFB pins	-0.3 to V_CC +0.3	V
V_ROSC	Voltage AT ROSC pin	-0.3 to 7	V
V_COSC	Voltage at COSC pin for VCC >16V	-0.3 to16	V
V_COSC	Voltage at COSC pin for V_CC >16V	-0.3 to V_CC +0.3	V
I_CC	Current at VCC GND, M+ and M-	±1.9	A
I_{CC_t}	Transient Current at VCC GND (figs. 4 and 5)	±4	A
I_sig	Current at VFB, VCOM, COSC and ROSC	±10	mA
P_d	Device Power Dissipation	internally limited	W
T_j	Junction Temperature	-40 to 150	°C
T_stg	Storage and Junction Temperature	-55 to 150	°C
VESD	ESD Voltage Level (Human body Model - MIL STD883C)	±2000	V

(*) NOTE: SELF PROTECTING
Stressed above those listed under"Absolute Maximum Ratings" may cause permanent damage to the device . This is a stress rating anly and functional operation of the device at any conditionabove those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

L9909 Connection Diagram

L9925 Parameters

Technical/Catalog Information	L9925
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Applications	Stepper Motor Driver
Number of Outputs	2
Voltage - Supply	9 V ~ 16 V
Voltage - Load	-
Current - Output	±1.2A
Operating Temperature	-40°C ~ 150°C
Package / Case	28-SOIC (7.5mm Width)
Packaging	Tube
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	L9925 L9925 497 3938 5 ND 49739385ND 497-3938-5

L9925 General Description

The L9925 is a dual full bridge driver for stepper motor applications. Realized in BCD (Bipolar, CMOS & DOS) techology, logic circuits, precise linear blocks and power transistors are combined to optimize circuit performance and minimize off
chip components.Schmitt triggers are used for all input stages and are fully compatible with 5V CMOS logic levels. When both enable signals are low, the IC is commanded to a low quiescent current state and will draw less than 200mA from the battery.

The charge pump is integrated on chip; no external componentsare required. Full performance is maintaned for 9V <VS <16V. Extended ranges of 6V <<VS <9V and 16V <VS <40V yields full functionally but with relaxed performance. Over temperature protection and ESD protection to all pins ensures relability and reduces system integration failures.

L9925 Maximum Ratings

Absolute Maximum Ratings are those values beyond whih damage to the device may occur. Functional operation under these condition isn't implied.
For voltages and currents applied externally to the device:

Symbol	Parameter	Value	Unit
V_VSDC	Dc Supply Voltage	-0.3 to 26	V
V_VSP	Supply Voltage Pulse (T 400ms) ⁽¹⁾	40	V
I_OUT	DC Output Load Current	±1.2	A
I_{OUT MAX}	DC Output Current: for VOUT > VVS +0.3V or VOUT < -0.3V the internal DMOS reverse and/or substrate diode become conductive and the applied current should not exceed the specified limit.	±1.8	A
V_IN1,2	DC Input Voltage	-0.3 to 7	V
V_EN	Enable Input Voltage	-0.3 to 7	V
T_stg, T_j	Storage and Junction Temperature	-40 to 150	°C
P_tot	Total Power Dissipation (T_pins = 80°C) (T_amb= 70°C no copper area on PCB) (T_amb=70°C8cm2 copper area on PCB)	5 1.23 2	W W W

(1) Device may be overstressed if pulsed simultaneous with short circuit at one or more of the outputs will be present.

L9925 Features

`2 INDEPENDENTLY CONTROLLED H-BRIDGES
`R_DS,ON <0.9 @T_amb = 25°C, VS = 14V
`0.8A DC CURRENT WITHOUT HEAT SINK
`LOW QUIESCENT MODE I_q <200A
`THEMAL PROTECTION
`CROSSCONDUCTION PROTECTION
`SUPPLYVOLTAGEUP TO 40V
`CMOS COMPATIBLE INPUTS
`OUTPUT SHORT-CIRCUIT PROTECTION

L9925 Connection Diagram

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