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TPS92691QPWPRQ1
+StücklisteIC LED DRIVER CTRLR PWM 16HTSSOP
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HerstellerTexas Instruments
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Herstellerteil #TPS92691QPWPRQ1
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Paket HTSSOP-16
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Auf Lager4555
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 |
| Type | DC DC Controller |
| Topology | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 65V |
| Voltage - Output | 65V |
| Frequency | 80kHz ~ 700kHz |
| Dimming | Analog, PWM |
| Applications | Automotive, Lighting |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features of the TPS92691QPWPRQ1 include a wide input voltage range, high switching frequency, and robust protection mechanisms such as under-voltage lockout, over-voltage protection, and thermal shutdown. It offers adjustable current regulation and high precision analog dimming capabilities, ensuring optimal LED performance and longevity.
The controller is typically employed in automotive lighting systems, including headlights, tail lights, and interior lighting, where it enhances the control and efficiency of LED systems. It offers designers the flexibility needed to meet specific application requirements while ensuring reliability and compliance with automotive standards.
Equivalent
1. LT3755 from Analog Devices: A high-voltage, high-current LED driver.
2. MIC23450 from Microchip: A constant current LED driver.
3. HV9910B from Microchip: A universal high-brightness LED driver.
These alternatives offer similar functionalities, but configurations and specific features may vary, so always review the datasheets to ensure compatibility with your application.
Features
1. Wide Input Voltage Range: Supports a broad input range from 4.5V to 65V, making it suitable for various automotive power systems.
2. High-Side Current Sense: Ensures accurate LED current regulation, providing consistent brightness and color accuracy.
3. Adjustable Frequency: Offers flexibility with its adjustable switching frequency from 100 kHz to 1 MHz, allowing optimization for efficiency and size.
4. EMI Performance: Features a spread spectrum for improved electromagnetic interference (EMI) performance.
5. Fault Protection: Includes robust protection features such as undervoltage lockout, overvoltage protection, and thermal shutdown to enhance reliability.
6. Dimming Capabilities: Supports both analog and PWM dimming for precise control over LED brightness.
7. Automotive-Qualified: AEC-Q100 qualified, ensuring it meets stringent automotive standards for reliability and performance.
8. Compact Package: Available in a 16-pin HTSSOP package, facilitating easy integration into compact designs.
This feature set makes the TPS92691QPWPRQ1 ideal for use in automotive headlamps, taillights, and other LED-based lighting systems.
Pinout
- VIN Pin: Supply voltage input.
- GND Pin: Ground connection.
- SW Pin: Switch node connection for the internal power switch.
- FB Pin: Feedback input for regulating output current.
- COMP Pin: Compensation network connection for stability and transient response.
- DIM Pin: Input for PWM dimming control.
- RT Pin: Connection to set the switching frequency.
- IS Pin: Current sense input.
- UVLO Pin: Undervoltage lockout setting.
- VCC Pin: Internal regulator output.
These pins collectively manage power regulation, protection features, dimming control, and other functionalities necessary for driving high-power LEDs efficiently. For detailed specifications and a complete pin configuration, referring to the datasheet is recommended.