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TPS40200QDRQ1
+StücklisteIC REG CTRLR BUCK 8SOIC
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HerstellerTexas Instruments
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Herstellerteil #TPS40200QDRQ1
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Paket SOIC-8
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Auf Lager1604
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 52V |
| Frequency - Switching | 35kHz ~ 500kHz |
| Duty Cycle(Max) | 95% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include a current-mode control scheme for improved transient response and simplified loop compensation, programmable soft start to limit inrush current, and a built-in gate driver for an external N-channel MOSFET. It also includes protection features like under-voltage lockout (UVLO), cycle-by-cycle current limiting, and thermal shutdown to enhance reliability.
The "Q1" designation indicates that the TPS40200QDRQ1 is qualified for automotive applications, adhering to stringent quality and reliability standards. This controller is available in an 8-pin SOIC package, facilitating easy integration into PCB designs. Its versatility and robustness make it a popular choice for boost converter designs in various high-reliability applications.
Equivalent
1. LM3478 from Texas Instruments
2. LT3757 from Analog Devices
3. MAX1776 from Maxim Integrated
These alternatives vary in features and specifications, so it is important to compare parameters such as input voltage range, switching frequency, and application requirements to ensure compatibility.
Features
1. Wide Input Voltage Range: It supports 4.5V to 52V, making it suitable for various applications.
2. Adjustable Switching Frequency: The controller allows frequency adjustment from 35 kHz to 500 kHz.
3. High Efficiency: It offers high efficiency through its flexible topology, supporting various power conversion requirements.
4. Programmable Soft-Start: This feature helps in controlling inrush current during startup.
5. Overcurrent Protection: It includes programmable overcurrent limits to safeguard against excessive current conditions.
6. Thermal Shutdown: Protects the device from overheating by shutting down the controller if the temperature exceeds a preset threshold.
7. Synchronizable: It can be synchronized with an external clock for better performance and reduced interference.
8. Hiccup Mode Overcurrent Protection: Provides protection without latching off the device.
These features make the TPS40200QDRQ1 a versatile and reliable choice for designing efficient and robust power supplies.
Pinout
Here is a brief overview of its pin functions:
1. COMP - Compensation for error amplifier.
2. FB - Feedback input for voltage regulation.
3. SS - Soft-start control.
4. RT - Resistor timing pin for setting the oscillator frequency.
5. GND - Ground connection.
6. ISNS - Current sense input.
7. UVLO/EN - Under-voltage lockout/enable pin.
8. OUT - Gate drive output for the external MOSFET.
9. VDD - Supply voltage for the controller.
10. BP - Bypass capacitor connection for internal regulator.
11. PGND - Power ground.
12. HDRV - High-side MOSFET driver output (not used in all configurations).
13. LDRV - Low-side MOSFET driver output.
14. NC - No connection or reserved.
This versatile controller is used to build efficient and robust power supply solutions.