40V/2.5A 两通道 H 桥驱动芯片

SS8841 为打印机和其它电机一体化应用提供 一种双通道集成电机驱动方案。SS8841 有两路 H 桥驱动，每个 H 桥可提供最大峰值电流 2.5A 和均 方根电流 1.75A(在 24V 和 Ta = 25°C 适当散热条 件下)，可驱动两个刷式直流电机，或者一个双极 步进电机，或者螺线管或者其它感性负载。双极步 进电机可以以整步、2 细分、4 细分运行，或者用 软件实现高细分。\n\n SS8841 的每一个 H 桥的功率输出模块由 N 型 功率 MOSFET 组成。每个 H 桥包含整流电路和限 流电路。简单的并行数字控制接口，衰减模式可选 择为快衰减，慢衰减和混合衰减。 SS8841 双通道 H 桥电流控制电机驱动器 –单个或两个有刷直流电机 –一个步进电机\n\nPWM 控制接口\n\n固定频率下电流控制可选择 – 2 bits 电流控制，提供 4 个电流台阶\n\n低导通阻抗的金属氧化物半导体场效应晶体管 (MOSFET) – 24V，Ta = 25°C 时可实现 2.5A 最大驱动 电流 – 24V，Ta= 25°C 时 RDS(on)为 350mΩ（典 型值 HS + LS）\n\n8.2~40V 工作电压范围\n\n睡眠模式低电流\n\n内置 3.3V 基准电压\n\n带散热片的表面贴装封装\n\n保护特性 – 过流保护 (OCP) – 热关断 (TSD)  – ;

LEADPOWER

率能半导体

I2C-bus controlled PAL/NTSC/SECAM TV processors

FEATURES The following features are available in all IC’s: · Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components · Alignment-free multi-standard FM sound demodulator (4.5 MHz to 6.5 MHz) · Audio switch · Flexible source selection with CVBS swi

文件：419.98 Kbytes 页数：68 Pages

PHI

PHI

I2C-bus controlled PAL/NTSC/SECAM TV processors

FEATURES The following features are available in all IC’s: · Multi-standard vision IF circuit with an alignment-free PLL demodulator without external components · Alignment-free multi-standard FM sound demodulator (4.5 MHz to 6.5 MHz) · Audio switch · Flexible source selection with CVBS swi

文件：419.98 Kbytes 页数：68 Pages

PHI

PHI

600mA CMOS LDO

General Description The AME8841 linear regulator features low quiescent current (30mA typ.) with low dropout voltage, making it ideal for battery applications. The space-saving SO-8 package is attractive for Pocket? and Hand Held applications. Features ● Very Low Dropout Voltage ● Guaranteed 6

文件：79.02 Kbytes 页数：10 Pages

AME

安茂微电子

600mA CMOS LDO

General Description The AME8841 linear regulator features low quiescent current (30mA typ.) with low dropout voltage, making it ideal for battery applications. The space-saving SO-8 package is attractive for Pocket? and Hand Held applications. Features ● Very Low Dropout Voltage ● Guaranteed 6

文件：79.02 Kbytes 页数：10 Pages

AME

安茂微电子

8-Bit Octal, 2-Quadrant Multiplying, CMOS TrimDAC

GENERAL DESCRIPTION The DAC-8841 provides eight general purpose digitally controDed voltage adjustment devices. The TrimDAC™ capability replaces the mechanical trimmer function in new designs. It is ideal for ac or dc gain control of up to 1 MHz bandwidth signals. FEATURES Replaces 8 Poten

文件：584.61 Kbytes 页数：12 Pages

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