Allicdata Part #: | MP2488DQ-LF-P-ND |
Manufacturer Part#: |
MP2488DQ-LF-P |
Price: | $ 1.27 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Monolithic Power Systems Inc. |
Short Description: | IC REG BUCK SYNC 55V 2A |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Down (... |
DataSheet: | MP2488DQ-LF-P Datasheet/PDF |
Quantity: | 1000 |
500 +: | $ 1.15038 |
Voltage - Output: | -- |
Supplier Device Package: | 10-QFN (3x3) |
Package / Case: | 10-VFDFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Applications: | Automotive, Lighting |
Dimming: | PWM |
Frequency: | 200kHz |
Current - Output / Channel: | 2A |
Series: | -- |
Voltage - Supply (Max): | 55V |
Voltage - Supply (Min): | 4.5V |
Number of Outputs: | 1 |
Internal Switch(s): | Yes |
Topology: | Step-Down (Buck) |
Type: | DC DC Regulator |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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The MP2488DQ-LF-P is an LED driver integrated circuit (IC) from Monolithic Power Systems. It is designed to control LED strings in portable, AC-DC and LED lighting applications. This device can perform very precisely in the low and constant current modes, allowing designers to benefit from increased efficiency and excellent power dissipation. It also features a wide input voltage range, over-current and thermal protection, and a shutdown mode for low-power operation.
The MP2488DQ-LF-P comes in a wide array of packages, including a common-cathode and a SIP, enabling it to be used in many different types of applications. With its integrated control (ICC) interface and integrated current sensing (ICS) feature, the device can be used to control LEDs in any type of application, such as a mobile phone, tablet or laptop computer. The device has a wide range of current regulation levels, including 250mA, 500mA, 1mA and 2mA.
The circuit is divided into two parts: a gate driver and a power stage. The gate driver consists of an elementary cell, a voltage regulator, a current source and a latch. The gate driver receives the input signal from the control interface (ICC) and converts it into a logic signal. It then sends this signal to the power stage to drive the power MOSFETs. The current source in the gate driver can also sense the current in the drain branch, providing a feedback loop to adjust the power stage current levels.
The power stage contains two power MOSFETs connected in parallel. The source of one power MOSFET is connected to the source of the other, while their drains are connected together. This arrangement creates a "push-pull" circuit, in which one power MOSFET pulls current while the other pushes it. This allows the device to control the current across an LED string very accurately. The power stage also has an integrated current sensing (ICS) feature, which allows the device to sense the current in the LED string and adjust the power MOSFETs accordingly to maintain a consistent current.
The MP2488DQ-LF-P is a highly-efficient LED driver, capable of regulating current with excellent precision. Its easy-to-use integrated control (ICC) and current sensing (ICS) features allow designers to benefit from a wide array of packaging options and the ability to control LED strings in any type of application. With its wide input voltage range, over-current and thermal protection, and shutdown mode, the device makes it easy to design efficient, reliable LED driver solutions.
The specific data is subject to PDF, and the above content is for reference
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