TPS63070QRNMTQ1 - 16V 2A Buck-Boost Q1 | Texas Instruments
MPN: TPS63070QRNMTQ1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.46 | $34.60 |
| 100 | $3.08 | $308.00 |
| 500 | $2.77 | $1,385.00 |
| 1,000 | $2.49 | $2,490.00 |
Drop-in alternatives for TPS63070QRNMTQ1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TPS630701RNMT
β Drop-Inπ Reference alternative (not in catalog)
TPS63070RNMT
β Drop-Inβ In Stock
$1 / Unit
View Datasheet βTPS63061
β‘ Same Packageπ Reference alternative (not in catalog)
TPS63070QRNMTQ1 Maximum Ratings & Electrical Characteristics
| Topology | Buck-Boost (synchronous) |
| Input Voltage Range | 2 V to 16 V |
| Output Type | Adjustable |
| Minimum Output Voltage | 2.5 V |
| Output Current | 2 A |
| Switch Current Limit | 3.6 A |
| Switching Frequency | [DATA_NEEDED: switching frequency] |
| Quiescent Current | [DATA_NEEDED: quiescent current] |
| Number of Outputs | 1 |
| Synchronous Rectification | Yes |
| Enable Pin | Yes |
| Automotive Qualification | AEC-Q100 (Q1) |
| Package | VQFN-15 (RNM) PowerVFQFN |
| Mounting Type | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant |
| Protection Features | Thermal shutdown, UVLO fixed |
TPS63070QRNMTQ1 Pin Configuration
| Pin 1 | PGND β Power ground |
| Pin 2 | VIN β Input supply, 2V-16V |
| Pin 3 | L1 β Inductor terminal 1 |
| Pin 4 | L2 β Inductor terminal 2 |
| Pin 5 | VOUT β Regulated output |
| Pin 6 | VOS β Output voltage sense |
| Pin 7 | FB β Feedback for adjustable output |
| Pin 8 | EN β Enable input |
| Pin 9 | AGND β Analog ground |
| Pin 10 | PAD β Thermal pad, connect to GND |
| Pin [DATA_NEEDED: remaining pin numbers] | [DATA_NEEDED] β See datasheet Rev. B pin configuration section |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TPS63070QRNMTQ1 is suitable for 6 applications: Automotive Battery-Powered Supplies, Single-Cell Li-Ion Battery Systems, 12V Industrial Bus Regulation, USB Power Rails, Test and Measurement Instruments, Automotive Infotainment and Cluster.
Automotive Battery-Powered Supplies
The TPS63070QRNMTQ1's AEC-Q100 qualification and 2V-16V input range make it a natural fit for 12V automotive battery rails. In vehicles, battery voltage dips below regulated outputs during cranking and rises during load events; the seamless buck-boost transition keeps intermediate rails stable through these excursions. Placed after a reverse-protection stage with ceramic input capacitors, it delivers a regulated rail for infotainment processors and displays, with synchronous rectification improving efficiency at partial load - an important factor for quiescent power budgets in always-on automotive modules.
Recommended
Single-Cell Li-Ion Battery Systems
A single Li-Ion cell sweeps from about 4.2V fully charged down below 3V when depleted, which crosses most 3.3V and 3.6V output set points - exactly the scenario where a buck-boost converter is mandatory. The TPS63070 continues regulating through the cell-voltage crossover with automatic buck/boost mode transitions and a 2V minimum input, extracting maximum capacity from the battery. Its synchronous topology maintains high efficiency at light load, extending runtime in portable instruments and battery-backed data loggers where every percent of efficiency matters.
Recommended
12V Industrial Bus Regulation
Industrial 24V nominal buses and noisy 12V rails demand converters with wide input tolerance and robust protection. The TPS63070's 16V maximum input covers regulated 12V buses, while fixed UVLO and thermal shutdown protect against faults. In PLC I/O modules and sensor interfaces, it generates stable analog and logic rails from a single supply input, simplifying power tree design. Because it is Q1 qualified, industrial customers gain automotive-grade reliability margins at comparable cost, reducing qualification risk in harsh factory environments with wide temperature swings.
Recommended
USB Power Rails
USB systems frequently require converting a variable source - battery packs, automotive accessory sockets, or USB-PD VBUS - into a stable 5V rail. The TPS63070's adjustable output (2.5V minimum) can be set to 5V while handling inputs both above and below that level, such as a 12V car socket or a 3.7V battery. Its 2A output capability covers USB high-current requirements, and the enable pin allows the host controller to sequence the rail during enumeration and fault handling, improving system-level power management.
Recommended
Test and Measurement Instruments
Portable and bench instruments benefit from the TPS63070's ability to hold a precise intermediate rail constant as battery or input conditions vary, which stabilizes downstream analog references and ADC supplies. Its synchronous architecture minimizes switching losses at the moderate loads typical of measurement front ends, and the VQFN-15 package supports compact designs in handheld instruments. Pairing the converter with a low-noise LDO post-regulator yields rails clean enough for precision analog circuitry while preserving the efficiency advantage of switching conversion.
Recommended
Automotive Infotainment and Cluster
Head units, digital clusters, and displays combine processors, memory, and display drivers that need multiple regulated rails from a vehicle battery. The TPS63070QRNMTQ1 serves as a wide-input intermediate converter feeding point-of-load regulators, decoupling the power tree from battery-voltage variation. With AEC-Q100 qualification and TI automotive-grade flow documentation, it fits directly into OEM quality submissions. Synchronous rectification and integrated switches reduce component count versus controller-plus-discrete-FET designs, saving PCB area in space-constrained display modules.
Recommended
Recommended Products Summary
Engineering reference data for TPS63070QRNMTQ1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPS630701RNMT | TPS63070RNMT | TPS63061 | LM5176QPWPRQ1 |
|---|---|---|---|---|---|
| Package | VQFN-15 (RNM) | VQFN-15 (RNM) - same | VQFN-15 (RNM) - same | [DATA_NEEDED] | HTSSOP-28 (different) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Input Voltage Range | 2V to 16V | 2V to 16V | 2V to 16V | [DATA_NEEDED] | 4.5V to 65V (wide) |
| Output Current | 2 A | 2 A | 2 A | [DATA_NEEDED] | Controller (external FETs) |
| Switch Current Limit | 3.6 A | 3.6 A | 3.6 A | [DATA_NEEDED] | Set by external FETs |
| Automotive Grade | Yes (AEC-Q100 Q1) | No | No | No | Yes (Q1) |
| Topology | Synchronous buck-boost | Synchronous buck-boost | Synchronous buck-boost | Buck-boost | 4-switch buck-boost controller |
| Approx. Price (1 pc) | $3.85 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- AEC-Q100 automotive qualification (vs TPS63070RNMT)
- Seamless buck-boost transition from 2V input (vs LM5176QPWPRQ1)
- Wide 2V-16V input in a compact VQFN-15 (vs TPS63061)
Design Notes
Follow the TPS63070 datasheet (Rev. B) layout guidelines: place input ceramic capacitors as close as possible to the VIN and PGND pins, keep the inductor loop area minimal, and use a solid ground plane. The exposed thermal pad of the VQFN-15 (RNM) package must be soldered to a copper area with multiple thermal vias for heat dissipation and grounding integrity.
In buck-boost converters, inductor current is highest in boost mode - size the inductor saturation current above the 3.6A switch current limit, not merely the 2A DC output current. Also, during mode transitions between buck and boost regions, ensure output capacitance is adequate to limit ripple during handoff, per the TI datasheet typical application section.
Set the adjustable output via the FB resistor divider with 1% or better tolerance resistors for output accuracy. Ensure the input source can supply the inrush and peak currents; add bulk capacitance at the input if the source impedance is high, especially in automotive battery environments where cable inductance is significant.
Compliance Information
AEC-Q100 (Q1) automotive qualification per TI product page. RoHS compliance per standard TI listing; REACH and halogen-free status should be verified via the TI material declaration documents.
