Datasheet > TB9120AFTG

TB9120AFTG

更新时间： 2024-09-26 14:57:39

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
50页	2925K
描述
Stepping motor driver for automobile

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TB9120AFTG 数据手册

TB9120AFTG

Bi-CMOS Integrated Circuit Silicon Monolithic

TB9120AFTG

Bipolar stepping motor driver with a clock input interface for automotive applications

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 small stepping motor

in a wide range of automotive applications.

P-VQFN28-0606-0.65-002

Product weight : 0.10g(typ.)

Applications

Small 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

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

Stall 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

Toshiba Electronic Devices & Storage Corporation

2020-05-12

12 3 4 5 6 7...50

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