Automotive Stepping Motor Driver IC


PT12465A

The PT12465A is a stepping motor driver, the H- bridges output current controlled by PWM constant-current topology. Built-in micro-step sequencer could generate sinusoidal output current to the stepping motor by a single clock input.

The PT12465A support multiple excitation modes such as 2-phase, 1-2-phase, W1-2-phase and 2W1-2 phase mode. The motor rotation revs determinate by the clock frequency applies on CK pin and excitation mode, the CW/CCW pin logic level determinate bipolar stepping motor in forward or reverse direction.

FEATURES


● AEC-Q100 Grade 2 qualified, operation temperature range -40°C~105°C

● Motor power supply voltage range:

- Control (VCC): 2.7V to 5.5V

- Motor (VM): 2.5V to 16V

● Maximum output current: 0.8 A

● H-bridge switches on-resistance: Ron = 1.5Ω (high side + low side, VM=7 V)

● Built-in microstep sequencer ticking by CK clock signal

● Programmable phase current excitation modes (2 phase, 1-2 phase, W1-2 phase and 2W1-2 phase)

● Control input pins with internal pull-down resistors

● Motor step monitor output (MO)

● Thermal shutdown (TSD) protection

● VCC under voltage lock-out (UVLO) function

● Package Type -   TSSOP 20 


APPLICATIONS


● Camera lens

● Camera peripheral devices

● Low power stepping motors

● HUD reflector

資源下載

Documentation

Tools

Application Note

TitleFileVersionDate
Demo Board說明書PT2465 Demo Board說明書.pdfV1.02017/8/16