Datasheet > MC34933EPR2

MC34933EPR2

更新时间： 2024-02-07 08:28:08

品牌	Logo	应用领域
恩智浦 - NXP		驱动接口集成电路
页数	文件大小	规格书
17页	526K
描述
HALF BRIDGE BASED PRPHL DRVR

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MC34933EPR2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Transferred	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.72	Samacsys Description：	1.4 A Dual H-Bridge Driver Compatible with 3.0 V Logic
接口集成电路类型：	HALF BRIDGE BASED PERIPHERAL DRIVER	湿度敏感等级：	3
峰值回流温度（摄氏度）：	260	处于峰值回流温度下的最长时间：	40
Base Number Matches：	1

MC34933EPR2 数据手册

Document Number: MC34933

Rev. 3.0, 9/2014

Freescale Semiconductor

Technical Data

1.4 A Dual H-Bridge Driver

Compatible with 3.0 V Logic

34933

The 34933 is a two channel H-Bridge driver aimed at the digital

camera market. There are a variety of applications containing bipolar

step motors and/or brush DC motors, such as Auto Focus control for

the digital camera lens. The 34933 uses Freescale's proprietary

SMARTMOS process to deliver a low-power device, with a maximum

quiescent current of 100 A for the motor drive supply and 400A for

the control logic supply.

H-BRIDGE DRIVER

The 34933 V_Msupply operates from 2.0 V to 7.0 V using an internal

charge pump, with independent control of each H-Bridge driver via the

MCU (IN1A, IN1B, IN2A, IN2B). The 34933 has a low total R_DS(on)of

1.0  (max. at 25 °C). Shoot-through current protection is a built-in

feature for the 34933 device.

EP SUFFIX (Pb-FREE)

98ASA00717D

The 34933 has four operation modes: forward, reverse, brake, and

tri-state (high-impedance). The 34933 employs a V_CCdetection circuit

to sense when the logic supply switches to an off-state with a maximum

current of 1.0 A to extend battery life. The H-Bridge drivers can be

independently pulse width modulated up to 200 kHz for speed/ torque

and/or current control. Note that tri-state mode of H-Bridge drivers can

occur when either V_CCdetect is low or the thermal detect is active.

16-PIN UQFN

ORDERING INFORMATION

Device

Temperature

Package

(For Tape and Reel, add an R2

Suffix)

Range (T )

Features

MC34933EP

-20 °C to 85 °C

16-UQFN

• Built-in 2-channel H-Bridge driver

• H-Bridge operation voltage 2.0 V to 7.0 V

• Max. load output current 1.0 A at T_A= 25 °C

• Low total R_DS(ON)0.8 (typ), 1.0  (max.) @ T_A= 25 °C peak

• Dual channel parallel driver, R_DS(ON)0.4 (typ.). max. DC current 1.4 A

• PWM control input frequency up to 200 kHz

• Built-in shoot-through current prevention circuit

• Built-in charge pump circuit (external cap type)

• V_CClow voltage detection for logic power supply voltage

• Thermal detection for H-Bridge driver

3.0 V

5.0 V

34933

VCC

VM1

VM2

OUT1A

OUT1B

IN1A

IN1B

IN2A

IN2B

MCU

Stepper

Motor

OUT2A

OUT2B

PGND1

PGND2

Figure 1. 34933 Simplified Application Diagram

12 3 4 5 6 7...17

中文翻译

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