Packaging information
| Package | Pins WSON (DRV) | 6 |
| Operating temperature range (°C) -40 to 85 |
| Package qty | Carrier 3,000 | LARGE T&R |
Features for the TPS61240-Q1
- Qualified for automotive applications
- AEC-Q100 qualified with the following
results:
- Device temperature grade
- TPS61240IDRVRQ1: grade 3, –40°C to +85°C ambient operating temperature
- TPS61240TDRVRQ1: grade 2, –40°C to +105°C ambient operating temperature
- Device HBM ESD classification level 2
- Device CDM ESD classification level C6
- Device temperature grade
- Functional Safety-Capable
- Efficiency > 90% at nominal operating conditions
- Total DC Output Voltage Accuracy 5 V ±2%
- Typical 30-µA quiescent current
- Best in class line and load transient
- Wide VIN range from 2.3 V to 5.5 V
- Output current up to 450 mA
- Automatic PFM/PWM mode transition
- Low ripple power save mode for improved efficiency at light loads
- Internal soft start, 250 µs typical start-up time
- 3.5-MHz typical operating frequency
- Load disconnect during shutdown
- Current overload and thermal shutdown protection
- Only three surface-mount external components required (one MLCC inductor, two ceramic capacitors)
- Total solution size < 13 mm2
- Available in a 2 mm × 2 mm WSON package
Description for the TPS61240-Q1
The TPS61240-Q1 device is a high efficient synchronous step up DC-DC converter optimized for products powered by either a three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-Polymer battery. The TPS61240-Q1 supports output currents up to 450 mA. The TPS61240-Q1 has an input valley current limit of 500 mA.
TPS61240-Q1 device provides fixed output voltage of 5V-typ with an input voltage range of 2.3 V to 5.5 V and the device supports batteries with extended voltage range. During shutdown, the load is completely disconnected from the battery. The TPS61240-Q1 boost converter is based on a quasi-constant on-time valley current mode control scheme.
The TPS61240-Q1 presents a high impedance at the VOUT pin when shut down. This allows for use in applications that require the regulated output bus to be driven by another supply while the TPS61240-Q1 is shut down.
During light loads the device will automatically pulse skip allowing maximum efficiency at lowest quiescent currents. In the shutdown mode, the current consumption is reduced to less than 1 µA.
TPS61240-Q1 allows the use of a small inductor and capacitors to achieve a small solution size. The TPS61240-Q1 is available in a 2 mm × 2 mm WSON package.