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News
Constant Motor Torque can be generated, Compact Driver for DC Brush Motor is suitable for Opening and Closing a monitor of Car Navigation System; The AP1029 is now on the Market.
2015-12-04 | Return【Products Name】 【General Description】 【Applications】 |
AP1029ADN A single power supply, 5.5V-32V, 1.2A, Built-in Start-UP function, Small-Package 1ch H-Bridge Motor Driver IC Car Navigation Systems (Opening and Closing a monitor, etc.), Housing Equipment (electronic lock, etc.), Driving various types of DC motors |
【Development Background】
Since there is an increasing demand for reducing a number of parts of motor driving circuit, AKM has developed the AP1029ADN. It is a 1ch H-Bride Motor Driver characterized by generating a constant motor torque, a built-in Start-Up function and a small package. The H-bridge of the AP1029ADN adopts P-N construction that eliminates the need for charge pump reducing the external parts, and its low on-resistance realizes high efficiency while keeping low consumption.
An anomaly detection output pin, under voltage detection circuit, thermal shut down circuit and over-current protection circuit are integrated. These functions will improve reliability of the system.
The AP1029ADN is the newest product of the general-purpose H-bridge motor driver AP102x series.
□Constant Motor Torque
The AP1029ADN is suitable for various systems by supporting a wide range application voltage (5.5V to 32V) and it operates off of a single power supply with an internal 4.5V regulator. In addition, the AP1029ADN has PWM Duty Control that adjusts duty automatically if the power supply voltage is changed. Therefore a constant motor torque can be provided even when the battery voltage drops.
□Start-up Function
The drive method of start-up operation can be selected either duty cycle of 0% or 100%.
□Small-Package
The AP1029ADN is housed in an ultra-small 16-pin QFN package (3mm×3mm).
【Features】
● Operating Temperature Range -40 ~ 85°C
● Motor Operating Voltage 5.5 ~ 32V
● Maximum Output Current (DC) 1.2 A @Ta=25°C
● H-Bridge On Resistance 1.0Ω @ Ta=25°C
● Drive Mode (2 inputs, PWM control also available) forward, reverse, brake, standby
● Switchable output voltage control function Input Signal Control, External Voltage Control
● Start-Up Function
● 4.5V Output LDO
● Anomaly Detection Output pin (FLG pin)
● Under Voltage Detection Circuit (UVLO)
● Thermal Shut Down Circuit (TSD)
● Over-Current Protection Circuit(OCP)
● Package 16-pin QFN (3mm×3mm)
>>To obtain more information about the AP1029ADN, please visit here.
Source:http://www.akm.com/