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Texas Instruments LMR23610AQDDARQ1 | Demoboard TIDA-020019
SIMPLE SWITCHER® 36 V, 1 A Synchronous Step-Down Converter
Overview
| Topology | Buck Converter |
| Input voltage | 12 V |
| Switching frequency | 340-460 kHz |
| Output 1 | 5 V |
| IC revision | E1 |
Description
This reference design demonstrates reinforced isolated CAN communication, which is widely used in automotive environments, in a small footprint. In hybrid and electric vehicles (HEV/EVs), a complete high-voltage network is floating with respect to the chassis ground. Isolation is required for the power and communication channels interfaced between floating high- to low-voltage systems. This TI design has a low transmission delay, which reduces the loop delay and supports higher baud rates of the CAN.
Features
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1:
- -40 °C to 125 °C Ambient Operating Temperature Range
- Device HBM ESD Classification Level H1C
- Device CDM ESD Classification Level C4A
- 4 V to 36 V Input Range
- 1 A Continuous Output Current
- Integrated Synchronous Rectification
- Current Mode Control - Minimum Switch-On Time: 60 ns
- Internal Compensation for Ease of Use
- 400 kHz Switching Frequency With PFM Mode
- Frequency Synchronization to External Clock
- 75 µA Quiescent Current at No Load
- Soft-Start into a Pre-Biased Load
- High Duty Cycle Operation Supported
- Output Short-Circuit Protection with Hiccup Mode
- 8-Pin HSOIC with PowerPAD™ Package Options
Typical applications
- Starter/Generator
- Battery Management Systems
- DC/DC Converters / Onboard Chargers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | VIN | VOut1(V) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | VT(V (RMS)) | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 22 µH, 2.45 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance22 µH | Performance Rated Current2.45 A | DC Resistance110 mΩ | Self Resonant Frequency17 MHz | Size7345 | VersionRobust | – | – | – | – | – | – | – | – | Length7.3 mm | Width7.3 mm | Height4.5 mm | MountSMT | ||||
 | WE-PPTI Push-Pull Transformers, 440 µH, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Inductance440 µH | – | – | – | Size1512 | VersionPush-Pull | Input Voltage 5 V (DC) | Output Voltage 15 V | Output Current 11 A | Type of InsulationReinforced | Switching Frequency 150 - 800 | Voltage-µSecond46 Vµs | Turns Ratio1:1.1 | Insulation Test Voltage5000 V (RMS) | Length12.32 mm | Width15.41 mm | Height11.89 mm | MountSMT |