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TPIC44H01DAG4 Ic Gate Drivers High Side 32TSSOP TPIC44L02 TPIC46L01 TPIC46L02

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TPIC44H01DAG4 Ic Gate Drivers High Side 32TSSOP TPIC44L02 TPIC46L01 TPIC46L02

Country/Region	china
City & Province	shenzhen hongkong
Categories	Solar Chargers

Product Details

TPIC44H01DAG4 IC GATE DRIVERS HIGH SIDE 32TSSOP TPIC44L02 TPIC46L01 TPIC46L02 by Texas Instruments

Integrated Circuits IC Texas Instruments (Electronic Components )

Description :

The TPIC44H01 is a four channel high-side pre-FET driver which provides serial or parallel input interface to control four external NMOS power FETs. It is designed for use in low frequency switching applications for resistive or inductive loads, including solenoids and incandescent bulbs.

Each channel has over-current, short-to-ground, and open-load detection that is flagged through the FLT pin and distinguished through the serial interface. Over-current thresholds are set through the V(PK_x) and V(COMP1-4) pins. Short-to-ground and open-load thresholds are set internally to approximately 2.5 V. The AR_ENBL pin is used to define the operation of the device during a fault condition, allowing the outputs to either latch off or to enter a low duty cycle, auto-retry mode. An over-voltage lockout circuit on V(PWR) protects the device and the external FETs. A low current sleep state mode is provided to allow the TPIC44H01 to be used in applications where V(PWR) is connected directly to the battery. An internal charge pump allows the use of N-channel FETs for high-side drive applications, while current-limit gate drive provides slope control for reduced RFI.

By having the unique ability to develop a dynamic over-current threshold, the TPIC44H01 can be used to drive incandescent bulbs with long inrush currents without falsely flagging a fault. Likewise, the user can select an internally set over-current threshold of ~1.25 V by pulling the respective V(COMP1-4) pin to VCC.

The 8-bit serial peripheral interface (SPI) allows the user to command any of the four outputs on or off, to program one of eight possible open-load, over-current, and short-load fault deglitch timer settings, and to engage the sleep state. Data is clocked into the SDI pin on the rising edge of SCLK and clocked out of the SDO pin on the SCLK falling edge. The serial input bits are logic OR'ed with the IN1-IN4 parallel inputs pins. The serial interface is also used to read normal-load, open-load, over-current, and short-to-ground conditions for each channel. Over-voltage lockout can be detected when the FLT pin is low and no bits are set in the SDO register. Multiple TPIC44H01 devices may be cascaded together using the serial interface to further reduce I/O lines from the host controller.

Features :

Serial or Parallel Control of Gate Outputs

Sleep State for Low Quiescent Current

Independent On-State Source Short-to-Ground (Shorted-Load) Detection/Protection

Independent On-State Over-Current Detection/Protection With Dynamic Fault Threshold

Independent Off-State Open-Load Detection

Supply Over-Voltage Lockout Protection

Asynchronous Open-Drain Fault Interrupt Terminal to Flag Fault Conditions. Output Can be OR'ed With Multiple Devices

Encoded Fault Status Reporting Through Serial Output Terminal (2-Bits Per Channel)

Programmable On-State Fault Deglitch Timers

High Impedance CMOS Compatible Inputs With Hysteresis

Fault Mode Selection: Outputs Latched Off or Switched at Low Duty Cycle

Device Can be Cascaded With Serial Interface.

Specifications:

Category	Integrated Circuits (ICs)
	LOW-SIDE DRIVERS ICs
Mfr	Texas Instrument
Series	TI Ics
Package	Tray & Reel (TR)
Part Status	Active
PLL	Yes
Main Purpose	General purpose
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount/Though Hole
Package / Case	SOIC/DIP
Product Base Number	TPIC44L02 TPIC46L01 TPIC46L02

Number of channels (#)	4
Power switch	MOSFET
Peak output current (A)	0.004
Input VCC (Min) (V)	8
Input VCC (Max) (V)	24
Features	SPI Interface, Sleep mode, OVP, Fault Diagnostics
Operating temperature range (C)	-40 to 125
Rise time (ns)	5000
Fall time (ns)	5000
Prop delay (ns)	5000
Input threshold	CMOS
Channel input logic	Non-Inverting
Input negative voltage (V)	-0.3
Rating	Automotive
Driver configuration	Quad inputs

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UC3706	UC3706DWTR	UC3706N
UC3707	UC3707DW	UC3707DWTR
UC3707	UC3707N	UC3708DW
UC3708	UC3708DWTR	UC3708N
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UC3709	UC3709N	UC3710DW
UC3710	UC3710N	UC3710T
UC3714	UC3714D	UC3715D
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