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PT5139步进驱动

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普诚科技PT5619系列门驱，是在同一颗芯片中同时集成了三个 90V 半桥栅极驱动器，特别适合于三相电机应用中高速功率 MOSFET 和 IGBT 的栅极驱动。芯片内置了死区时间和上下管直通保护，非常有效地阻止半桥电路损坏。为了防止因芯片工作在较低的电源电压而对功率管产生损害，芯片内部集成了欠压锁定电路来阻止该现象发生。先进的高压BCD 制程和内置共模噪声消除技术使得高边驱动器在高 dv/dt 噪声环境能稳定工作，并且使芯片具有宽范的负瞬态电压忍受能力。为了延长电池的使用时间，可以通过对 ENB 引脚的控制使芯片能进入到低消耗电流的待机模式。

PT5139 Dual H-Bridge Motor Driver

 

DESCRIPTION
The PT5139 is a dual H-bridge motor driver which can drives two brushed DC motors or a single bipolar stepper motor, solenoids or other inductive loads. Each bridge driver includes a PWM current regulation circuitry to limit the winding current. The H-bridge driver is consists by all of N-channel MOSFETs.
The device have built-in protection features, includes under-voltage lockout (UVLO), over current protection (OCP) and thermal shutdown (TSD). A fault flag output is available to indicates the OCP or TSD conditions is happens.

 

 

APPLICATIONS
 POS Printers
 Video Security Camera
 Robotics
 Battery Powered Toys

 
 

FEATURES
 Wide Supply Voltage Range: 2.7V to 15V
 Dual H-bridge Drivers, drivers two brushed dc motor or single bipolar stepping motor
 MOSFET RDS(on) Resistance HS + LS = 1060mΩ
 Output Current : 700mA (HTSSOP package)
 Internal PWM Current Regulation Function
 Low Quiescent Current : 1.5mA
 Low Sleep Current: <1μA
 Built-in Protection Circuits; Thermal Shutdown (TSD), Under Voltage Lock-Out (UVLO) and Over
Current Protection (OCP) functions.
 Fault Indicates Output (FALTN)
 Multiple Packages Available:
- 16 pins QFN, 4.0mm × 4.0mm with thermal pad.
- 16 pins HTSSOP, 5.0mm × 6.4mm with thermal pad.
- 16 pins TSSOP, 5.0mm × 6.4mm

 

 

 

 

 

 

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