Mounting Style
: SMD/SMT
Packaging
: Tube
Product
: Stepper Motor Controllers / Drivers
Supply Current
: 4.5 mA
Package / Case
: PowerSO-20
Operating Supply Voltage
: 8 V
Type
: Motor Controller/Driver
Features: ·2 X 1.1A FULL BRIDGE OUTPUTS
·INTEGRATED CHOPPING CURRENT REGULATION
·MINIMIZED POWER DISSIPATION DURING FLYBACK
·OUTPUT STAGES WITH CONTROLLED OUTPUT VOLTAGE SLOPES TO REDUCE ELECTROMAGNETIC RADIATION
·SHORT-CIRCUIT PROTECTION OF ALL OUTPUTS
·ERROR-FLAG FOR OVERLOAD, OPEN LOAD AND OVERTEMPERATURE PREALARM
·DELAYED CHANNEL SWITCH-ON TO REDUCE PEAK CURRENTS
·MAX. OPERATING SUPPLY VOLTAGE 24V
·STANDBY CONSUMPTION TYPICALLY40mA
·SERIAL INTERFACE (SPI)
Pinout
Specifications
| Symbol |
Parameter |
Value |
Unit |
| VS |
DC Supply Voltage |
-0.3 to 35 |
V |
| VSPulsed |
Pulsed supply voltage T < 400ms |
-0.3 to 40 |
V |
| VOUT (Ai/Bi) |
Output Voltages |
internally clamped to VS
or GND depending on the
current direction |
|
| IOUT (Ai/Bi) |
DC Output Currents
Peak Output Currents (T/tp 10) |
±1.2
±2.5 |
A
A |
| VSRA/SRB |
Sense Resistor Voltages |
-0.3 to 6.2 |
V |
| VCC |
Logic Supply Voltages |
-0.3 to 6.2 |
V |
| VCDRV |
Charge Pump Buffer Voltage versus VS |
-0.3 to 10 |
V |
VSCK, VSDI,
VCSN, VEN |
Logic Input Voltages |
-2 to 8 |
V |
| VOSC, VSDO |
Oscillator Voltage Range, Logic Output |
-0.3 to VCC +0.3 |
V |
Note: ESD for all pins, except pins SDO, SRA and SRB, are according to MIL883C, tested at 2kV, corresponding to a maximum energy dissipation of 0.2mJ. SDO, SRA and SRB pins are tested with 800V.
DescriptionThe L9935 is a two-phase stepper motor driver circuit suited to drive bipolar stepper motors. The L9935 can be controlled by a serial interface (SPI). All protections required to design a well protected system (short-circuit, overtemperature, cross conduction etc.) are integrated.
Parameters: | Technical/Catalog Information | L9935 |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Applications | Stepper Motor Driver, 2 Phase |
| Number of Outputs | 1 |
| Voltage - Supply | 8 V ~ 24 V |
| Voltage - Load | - |
| Current - Output | ±1.2A |
| Operating Temperature | -40°C ~ 150°C |
| Package / Case | PowerSO-20 Exposed Bottom Pad |
| Packaging | Tube |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L9935
L9935
|
L9935 Data Sheet
