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DRV8846RGER PDF预览

DRV8846RGER

更新时间: 2024-09-19 01:08:35
品牌 Logo 应用领域
德州仪器 - TI 驱动接口集成电路
页数 文件大小 规格书
35页 1117K
描述
DRV8846 Dual H-Bridge Stepper Motor Driver

DRV8846RGER 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVQCCN,
Reach Compliance Code:compliantECCN代码:EAR99
Factory Lead Time:6 weeks风险等级:1.64
内置保护:TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE接口集成电路类型:HALF BRIDGE BASED PERIPHERAL DRIVER
JESD-30 代码:S-PQCC-N24JESD-609代码:e4
长度:4 mm湿度敏感等级:3
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
输出电流流向:SOURCE AND SINK最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260座面最大高度:1 mm
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

DRV8846RGER 数据手册

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Sample &  
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DRV8846  
SLLSEK2 JUNE 2014  
DRV8846 Dual H-Bridge Stepper Motor Driver  
1 Features  
3 Description  
The DRV8846 provides a highly-integrated stepper  
motor driver for cameras, printers, projectors, and  
other automated equipment applications. The device  
has two H-bridges and a microstepping indexer and  
is intended to drive a bipolar stepper motor. The  
output block of each H-bridge driver consists of N-  
channel and P-channel power MOSFETs configured  
as full H-bridges to drive the motor windings. The  
DRV8846 is capable of driving up to 1-A full scale  
1
PWM Microstepping Motor Driver  
Built-In Microstepping Indexer  
Up to 1/32 Microstepping  
Step/Direction Control  
Multiple Decay Modes  
Adaptive Decay  
Mixed Decay  
Slow Decay  
Fast Decay  
output current (with proper heatsinking and TA  
25°C).  
=
A simple STEP/DIR interface allows easy interfacing  
to controller circuits. Pins allow configuration of the  
motor in full-step up to 1/32-step modes. Decay mode  
is configurable so that adaptive decay, slow decay,  
fast decay, and mixed decay can be used. The PWM  
current chopping off-time can also be selected. A low-  
power sleep mode is provided which shuts down  
internal circuitry to achieve very-low quiescent current  
draw. This sleep mode can be set using a dedicated  
nSLEEP pin.  
Configurable Off-Time PWM Chopping  
10-, 20-, or 30-μs Off-Time  
Adaptive Blanking Time for Smooth Stepping  
4- to 18-V Operating Supply Voltage Range  
1-A Continuous/RMS Output Current per H-Bridge  
(at 25°C)  
Low-Current Sleep Mode  
3-Bit Torque DAC to Scale Motor Current  
Thermally Enhanced Surface Mount Package  
Protection Features  
Internal protection functions are provided for UVLO,  
overcurrent protection, short circuit protection, and  
overtemperature. Fault conditions are indicated via a  
nFAULT pin.  
VM Undervoltage Lockout (UVLO)  
Overcurrent Protection (OCP)  
Thermal Shutdown (TSD)  
Device Information(1)  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
Fault Condition Indication Pin (nFAULT)  
DRV8846  
QFN (24)  
4.00 × 4.00 mm  
2 Applications  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Printers  
Scanners  
Video Security Cameras  
Projectors  
4 Simplified Schematic  
4 to 18 V  
DRV8846  
STEP/DIR  
1 A  
1 A  
M
Step size  
Decay Mode  
nFAULT  
Stepper  
Motor Driver  
+
t
1/32 µstep  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 

DRV8846RGER 替代型号

型号 品牌 替代类型 描述 数据表
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完全替代

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