Datasheet TB9120AFTG (Toshiba)

TB9120AFTG
Bi-CMOS Integrated Circuit Silicon Monolithic
TB9120AFTG Bipolar stepping motor driver with a clock input interface for automotive applications 1 Overview
TB9120AFTG is a two-phase bipolar stepping motor driver with a clock input interface and a PWM constant-current control system. It can be used for a smal stepping motor in a wide range of automotive applications. P-VQFN28-0606-0.65-002
2 Applications
Product weight : 0.10g(typ.) Smal stepping motors for automotive applications such as an adjustment to an angle of a concave mirror in HUD, valves in motorcycles and valves/dampers for HVAC
3 Features
 A two-phase bipolar stepping motor can be driven with a single chip.  Adoption of PWM constant-current control  Built-in a mixed decay mode  Excitation mode selectable: full, half, quarter, 1/8, 1/16, and 1/32 step  On-resistance of power MOSFETs: Ron(H+L)=0.8Ω(typ.)  Input power supply voltage(VBAT): 40V(max)  Maximum output driving current: Overcurrent detection value, 2.0A(typ.)  Internal voltage 5V(VccOUT)  Anomaly detection functions: Over temperature detection, overcurrent detection, load open detection and low voltage detection  DIAG output: Over temperature detection, overcurrent detection and load open detection  Stal detection function and flag output function if detected  Standby function  Operating power supply voltage range: VBAT(opr.)=7V to 18V. Only some of the functions are guaranteed in 4.5V to 7V.  Maximum clock input frequency: fCLK(max)＝100kHz  Operating temperature: -40 to 125°C  Package: VQFN28(0.65)  AEC-Q100 qualified Start of commercial production 2020-04 © 2020 2020-05-12 Toshiba Electronic Devices & Storage Corporation 1