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LM5156QDSSRQ1
+StücklisteIC POWER
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HerstellerTexas Instruments
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Herstellerteil #LM5156QDSSRQ1
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Datenblatt LM5156QDSSRQ1 DataSheet
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Auf Lager7793
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, SEPIC |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 60V |
| Frequency - Switching | 100kHz ~ 2.2MHz |
| Duty Cycle (Max) | 93% |
| Synchronous Rectifier | No |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 12-WFDFN Exposed Pad |
| Supplier Device Package | 12-WSON (3x2) |
| Base Product Number | LM5156 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Übersicht
Description
Key highlights include its ability to operate in both peak current mode and voltage mode, providing flexibility in design. It also incorporates various protections, such as over-voltage, under-voltage, and thermal shutdown, ensuring reliable operation. The LM5156QDSSRQ1 supports adjustable switching frequencies up to 2MHz, allowing designers to optimize for efficiency and size.
Additionally, it offers advanced features like programmable soft-start, frequency compensation, and an enable pin for enhanced control. With its robust performance and numerous features, the LM5156QDSSRQ1 is a popular choice for high-efficiency power supply designs in demanding environments.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 3V to 60V, suitable for various automotive power systems.
2. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and extending battery life.
3. Integrated High-Side and Low-Side FETs: Reduces the need for external components, simplifying design.
4. Adjustable Output Voltage: The output voltage can be set from 0.8V to 15V, allowing flexibility for different applications.
5. High Switching Frequency: Supports up to 1.2 MHz, enabling the use of smaller inductors and capacitors.
6. Flexible Soft-Start: Programmable soft-start feature minimizes inrush current during startup.
7. Fault Protection: Incorporates features like over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown.
8. Automotive Qualification: Designed to meet AEC-Q100 standards, ensuring reliability in harsh automotive environments.
These features make the LM5156QDSSRQ1 ideal for powering automotive electronics, including sensors, displays, and communication devices.
Pinout
Key functions of these pins include:
1. VIN: Power input for the converter.
2. SW: Switch node for inductor connection.
3. GND: Ground reference.
4. BOOT: Bootstrap capacitor connection for high-side gate drive.
5. PH: Phase node for the internal FETs.
6. COMP: Compensation network connection for stability.
7. CSN/ CSP: Current sense inputs for overcurrent protection.
8. SS: Soft-start pin to control startup timing.
9. RT: Resistor connection to set switching frequency.
10. FREQ: Frequency adjustment pin.
11. RAMP: External ramp capacitor connection.
12. EN: Enable pin for turning the device on/off.
13. CLMP: Output voltage clamp configuration.
14. VOUT: Feedback voltage sensing.
15. SENSE+ / SENSE-: Current sense inputs.
16. ISENSE: Additional current sensing input.
This configuration supports a wide range of automotive voltage and current requirements.
Manufacturer
The LM5156QDSSRQ1 specifically is a high-voltage, synchronous buck controller designed for various power management applications, including step-down converters. Texas Instruments is known for its commitment to innovation and quality in the semiconductor industry, providing solutions that enhance the performance and efficiency of electronic devices across many sectors.
Application
1. Automotive Power Management: Efficiently regulates power for various automotive systems.
2. DC-DC Converters: Converts input voltage to lower output voltages required for electronic devices.
3. Battery Management Systems: Used in electric vehicles for battery charging and management.
4. Industrial Power Supplies: Provides regulated power in industrial automation systems.
5. Telecommunications: Supplies stable power for communication equipment.
Its features, such as high efficiency and wide input voltage range, make it suitable for these applications.