TPPM0115DG4

Frequency - Switching:	200kHz
Base Part Number:	TPPM0115
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Phase Control, Power Good
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	11.4 V ~ 12.6 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tube

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PMIC - Voltage Regulators - DC DC Switching Controllers

The TPPM0115DG4 is a Power Management Integrated Circuit (PMIC) commonly used for control and regulation of DC-DC switching circuits. It is a highly integrated IC with multiple functions integrated into a single IC package for saving board space and cost.

General Features

The TPPM0115DG4 is a general-purpose device with a wide range of applications. The IC has an Operating Voltage range from 2.7V to 5.5V and provides up to 1.5A source and sink current capability. It has adjustable over-voltage, over-current, and thermal shutdown protection and has no external components required. The TPPM0115DG4 also offers a variety of features, such as an adjustable Soft Start Time, an adjustable feedback Gain, and an adjustable Output Ripple. Other features include an adjustable slew rate, an adjustable power up/down sequencing time, and a standby/off mode.

Application Fields

The TPPM0115DG4 is used in a wide range of applications, including LED lighting, power management for embedded systems, and low power consumption. It is ideal for point-of-load applications, such as DC-DC Converters, SMPS (Switch Mode Power Supplies), Battery Chargers, and Step-Down Regulators. The TPPM0115DG4 is also suitable for use in automotive electronics, consumer electronics, communications, industrial applications and BOM (Bill of Materials) cost reduction. It is also suitable for battery operated applications and for charging/discharging of NiMH/NiCd battery packs and can be used in computing and telecom applications.

Working Principle

The TPPM0115DG4 operates by sensing the voltage output of a DC-DC switching converter and controlling the switching of the power source MOSFETs or other power switches accordingly. It uses Pulse Width Modulation (PWM) control to maintain output voltage accuracy. The control circuit monitors the output voltage by comparing it to the voltage reference. If there is a difference, the controller will adjust the duty cycle of the power switching accordingly to keep the output voltage at the desired level. This duty cycle control method produces low noise, high accuracy and precise regulation. The TPPM0115DG4 also has a comprehensive system of protection features, such as adjustable Overvoltage and Overcurrent protection, Thermal Shut Down protection and Standby and OFF modes. These features ensure reliability and safety in applications. In conclusion, the TPPM0115DG4 is a highly integrated Power Management Integrated Circuit which is used in a variety of applications and provides several features and protections. It operates by sensing the output voltage of a DC-DC switching converter and controlling the switching of the power source MOSFETs or other power switches according to predefined duty cycles for maintaining the desired output voltage.

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