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Data sheet
TPS61378-Q1
- AEC-Q100 qualified for automotive applications
- Device temperature grade 1: –40°C to 125°C ambient operating temperature range
- Function Safety-Capable
- Flexible input and output operation range
- Input voltage range: 2.3 V to 14 V
- Programmable output voltage range: 4.0 V to 18.5 V
- Fixed output options: 5 V, 5.25 V, and 5.5 V
- Programmable peak current limit: 1 A to 4.8 A
- Avoid AM band interference and crosstalk
- Dynamically programmable switching frequency: 200 kHz to 2.2 MHz
- Spread spectrum frequency modulation
- Optional clock synchronization
- Minimize solution size for space constraint applications
- Integrated LS/HS/ISO FET: RDS(ON) 50 mΩ/50 mΩ/100 mΩ
- Support up to 2.2 MHz with small L-C
- Minimized light load and idle state current consumption
- 25-µA quiescent current into VIN pin
- 0.5-µA shutdown current into VIN pin
- Selectable auto PFM and forced PWM mode
- True load disconnect during shutdown or fault conditions
- Integrated protection features
- Supports VIN close to VOUT operation
- Input undervoltage lockout and output overvoltage protection
- Hiccup output short circuit protection
- Power good indicator
- Thermal shutdown protection at 165°C
- Higher than 90% efficiency under 0.8-A load from 3.3-V to 9-V conversion
The TPS61378-Q1 is a fully-integrated synchronous boost converter with an integrated load disconnect function. The input voltage covers 2.3 V to 14 V while the maximal output voltage covers up to 18.5 V. The switching current limit is programmable from 1 A to 4.8 A. The device consumes 25-µA quiescent current from VIN.
The TPS61378-Q1 employs peak current mode control with the switching frequency programmable from 200 kHz to 2.2 MHz. The device works in fixed frequency PWM operation in medium to heavy loads. There are two optional modes in light load by configuring the MODE pin: auto PFM mode and forced PWM to balance the efficiency and noise immunity in light load. The switching frequency can be synchronized to an external clock. The TPS61378-Q1 uses the spread spectrum of the internal clock to be more EMI friendly at FPWM mode. In addition, there is an internal soft-start time to limit the inrush current.
The TPS61378-Q1 has various fixed output voltage versions to save the external feedback resistor. It supports the external loop compensation so that the stability and transient response can be optimized at wider VOUT/VIN ranges. It also integrates robust protection features including output short protection, output overvoltage protection, and thermal shutdown protection. The TPS61378-Q1 is available in a 3-mm × 3-mm 16-pin QFN package with wettable flank.
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Technical documentation
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View all 4 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS61378-Q1 25-µA Quiescent Current Synchronous Boost Converter with Load Disconnect datasheet (Rev. D) | PDF | HTML | 19 Jul 2021 |
| Application note | Measuring and Understanding the Output Voltage Ripple of a Boost Converter | PDF | HTML | 22 Feb 2021 | |
| Functional safety information | TPS61378-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. C) | PDF | HTML | 20 Oct 2020 | |
| User guide | TPS61378Q1EVM-060 Evaluation Module (Rev. A) | PDF | HTML | 11 Sep 2020 |
Design & development
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Evaluation board
TPS61378Q1EVM-060 — TPS61378QRTE evaluation module
The TPS61378Q1EVM-060 allows you to evaluate the TPS61378-Q1 fully-integrated synchronous boost converter with optional load disconnect function. The device is suitable as a post-boost for automotive applications, boosting from a regulated 3.3-V or 5-V rail with a programmable current limit up to (...)
Evaluation board
TPS61379Q1EVM-082 — TPS61379Q1 25uA IQ synchronous boost converter evaluation module
The TPS61379-Q1 is a fully-integrated synchronous boost converter with load disconnect function integrated. The device is suitable as a post-boost for automotive applications with a current limit of 2-A and maximum 18.5 V output voltage. It supports an input voltage from 2.3 V to 14 V and 25-uA (...)
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| Package | Pins | Download |
|---|---|---|
| WQFN (RTE) | 16 | View options |
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