550kHz 1.5V to 40V, 1A buck-boost converter with 5V fixed output voltage, AEC-Q100 qualified
Product details
Parameters
Package | Pins | Size
Features
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device HBM ESD Classification level 1B for
pin 7 (L2), pin 8 (VOUT), pin 9 (5Vg) - Device HBM ESD Classification 2 for pins 1–6
and 10–20 - Device CDM ESD Classification Level C4B
- Device HBM ESD Classification level 1B for
- Switch-Mode Regulator
- 5 V ±2%, Normal Mode
- 5 V ±3%, Low-Power or Crossover Mode
- Switching Frequency, 440 kHz (typical)
- Input Operating Range, 1.5 V to 40 V, (Vdriver)
- 1-A Load-Current Capability
- 200-mA Load-Current Capability Down to 2-V
Input (Vdriver) - 120-mA Load-Current Capability Down to
1.5-V Input (Vdriver)
- Enable Function
- Low-Power Operation Mode
- Switched 5-V Regulated Output on 5Vg With
Current Limit - Programmable Slew Rate and Frequency
Modulation for EMI Consideration - Reset Function With Deglitch Timer and
Programmable Delay - Alarm Function for Undervoltage Detection and
Indication - Thermally Enhanced Package for Efficient Heat
Management
Description
The TPIC74100 is a switch-mode regulator with integrated switches for voltage-mode control. With the aid of external components (LC combination), the device regulates the output to 5 V ±3% for a wide input-voltage range.
The TPIC74100 offers a reset function to detect and indicate when the 5-V output rail is outside of the specified tolerance. This reset delay is programmable using an external timing capacitor on the REST pin. Additionally, an alarm (AOUT) feature is activated when the input supply rail Vdriver is below a prescaled specified value (set by the AIN pin).
The TPIC74100 has a frequency-modulation scheme to minimize EMI. The clock modulator permits a modulation of the switching frequency to reduce interference energy in the frequency band.
The 5Vg output is a switched 5-V regulated output with internal current limiting to prevent RESET from being asserted when powering a capacitive load on the supply line. This function is controlled by the 5Vg_ENABLE pin. If there is a short to ground on this output (5Vg output), the output self-protects by operating in a chopping mode. This does, however, increase the output ripple voltage on VOUT during this fault condition.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | TPIC74100-Q1 Buck and Boost Switch-Mode Regulator datasheet (Rev. B) | Dec. 05, 2014 |
Application note | Improve the TPIC74100 Load Transient Performance with Suitable Inductor and Capa | Aug. 23, 2018 | |
Technical article | Solving voltage transient challenges with an integrated buck-boost converter | Mar. 12, 2018 | |
Application note | TPIC74100-Q1 Buck/Boost Switch Mode Regulator (Rev. B) | Sep. 22, 2010 | |
User guide | TPIC74100EVM User's Guide | Sep. 26, 2008 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The Texas Instruments TPIC74100EVM evaluation module (EVM) helps designers evaluate the operation and performance of the TPIC74100 Switch Mode Power Supply â Buck Regulator. The EVM contains one DC/DC converter.
Features
- Switch-Mode Regulator With Integrated Switches
- Less board space
- Lower cost
- Higher EMI performance
- Improved protection off the integrated switches
- Buck/Boost Mode
- Wide input voltage range (ideal for automotive applications where the power supply must stay stable during the start of the engine-cranking (...)
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
HTSSOP (PWP) | 20 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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