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DATA SHEET
TPS62903-Q1 3-V to 18-V, 3-A, Automotive Low IQ Buck Converter with +165°C TJ
1 Features
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1:
–40°C to +125°C, TA
- Level 2 device HBM ESD
classification
- Level C4B CDM ESD
classification
- Functional Safety-Capable
- Extended TJ range: up to 165°C
- High efficiency DCS-Control topology
- RDS(ON): 62-mΩ high side, 22-mΩ low
side
- Seamless PWM/PFM
transition
- Internal
compensation
- 4-µA low IQ
(typical)
- Up to
3-A continuous output current
- ±1.5% output voltage accuracy
across temp
- Configurable output voltage options:
- 0.6-V to 5.5-V VFB external divider
- VSET internal divider
- 16 options
between 0.4 V and 5.5 V
- Flexibility through the
MODE/S-CONF pin
- 2.5-MHz or 1.0-MHz
switching frequency
- Forced PWM or Auto PFM
(power save mode) with dynamic mode change option
- Output discharge on and
off
- No external bootstrap capacitor required
- Overcurrent and overtemperature
protection
- 100% duty cycle mode
- Precise enable input
- Adjustable soft start and
tracking
- Power-good output
- Optimized pinout for single-layer routing
- Wettable 2.2-mm × 2.0-mm VQFN package with 0.5-mm pitch
- Create a custom
design with the TPS62903-Q1 using the WEBENCH® Power
Designer
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