Allicdata Part #: | ISL97801ARZ-ND |
Manufacturer Part#: |
ISL97801ARZ |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Renesas Electronics America Inc. |
Short Description: | IC LED DRIVER RGLTR DIM 1A 20QFN |
More Detail: | LED Driver IC 1 Output DC DC Regulator Step-Down (... |
DataSheet: | ISL97801ARZ Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Voltage - Output: | 32V |
Base Part Number: | ISL97801 |
Supplier Device Package: | 20-QFN (4x4) |
Package / Case: | 20-VFQFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 105°C (TA) |
Applications: | Automotive, Backlight |
Dimming: | Analog, PWM |
Frequency: | 1MHz |
Current - Output / Channel: | 1A |
Series: | -- |
Voltage - Supply (Max): | 16V |
Voltage - Supply (Min): | 2.7V |
Number of Outputs: | 1 |
Internal Switch(s): | Yes |
Topology: | Step-Down (Buck), Step-Up (Boost) |
Type: | DC DC Regulator |
Part Status: | Obsolete |
Packaging: | Tube |
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The ISL97801ARZ is a compact, low profile, one-cell Li-Ion/Lithium Polymer linear charger with Predictive Charge Status Management (PCSM) that are used for powering high-efficiency LEDs. The device includes over and under voltage protection for enhanced reliability and extended longevity. It can also support a high-efficiency, low jitter charge current of up to 2A and a constant current power conversion up to 1.5A.
The ISL97801ARZ is a LED driver that is designed to provide a switching mode of operation, offering inputs from 0.25V up to 0.75V. It uses a low PWM frequency and includes over-temperature protection for improved reliability. The device supports up to 3 current ranges for different LED types, allowing users to match their circuit to the current requirements of their LED safely.
In addition to providing a constant current mode, the ISL97801ARZ can also provide a floating load mode to enable stable illumination across a wide range of input voltages. This mode is also used when using multiple LEDs in series, as all of the LEDs will receive the same amount of current, ensuring even illumination and stable operation. The device also includes a thermal shutdown feature that provides protection should the IC become too hot.
The Predictive Charge Status Management (PCSM) integrated into the ISL97801ARZ helps to improve the overall performance of the device and the life of the LEDs by making the charging process more efficient and precise. The PCSM feature constantly monitors the Li-Ion/Lithium Polymer battery voltage and current, compares the two readings, and then adjusts the LED driver’s output to Re-Regulate or Recharge the battery as necessary.
The ISL97801ARZ is a great choice of LED driver for applications requiring multiple LED outputs, such as automotive interiors and displays, floods, and other high-efficiency LED applications. It is a very power efficient device, and the PCSM ensures the long-term reliability of the device and the LEDs. Additionally, the low profile, one-cell design makes this LED driver ideal for space-constrained applications.
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