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The STPA001 is a breakthrough MOSFET technology class AB audio power amplifier designed for high power car radio. The fully complementary P-Channel/N-Channel output structure allows a rail to rail output voltage swing which, combined with high output current and minimized saturation losses sets new power references in the car-radio field, with unparalleled distortion performances.
The STPA001 can operate down to 6V and this makes the IC compliant to the most recent OEM specifications for low voltage operation (so called 'start-stop' battery profile during engine stop), helping car manufacturers to reduce the overall emissions and thus contributing to environment protection.
Key Features
- Multipower BCD technology
- High output power capability:
- 4 x 50 W/4 Ω Max.
- 4 x 28 W/4 Ω @ 14.4 V, 1 kHz, 10 %
- 4 x 72 W/2 Ω Max.
- MOSFET output power stage
- 2 Ω driving capability
- Hi-Fi class distortion
- Low output noise
- High immunity to RF noise injection
- Standby function
- Mute function
- Automute at min. supply voltage detection
- Low external component count
- Internally fixed gain (26 dB)
- Protections:
- Output short circuit to GND, to Vs, across the load
- Very inductive loads
- Overrating chip temperature with soft thermal limiter
- Output DC offset detection
- Load dump
- Fortuitous open GND
- Reversed battery
- ESD
- Capable to operate down to 6 V (e.g. “Startstop”)
Featured Videos
Power amplifier system for automotive applications
Evaluation Tools
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Picture Part number Manufacturer Description 
EVAL-TDA785X ST EVAL-TDA785x evaluation board for STPA001, STPA003, STPA008, TDA7851A, TDA7850A, and TDA7388A Part NumberEVAL-TDA785x evaluation board for STPA001, STPA003, STPA008, TDA7851A, TDA7850A, and TDA7388A
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STPA001 |
Active
|
FLEXIWATT FM2 25 | Automotive | Ecopack2 | |
| STPA001A |
Active
|
FLEXIWATT FM2 27 | Automotive | Ecopack2 |
|
| STPA001AH |
Active
|
FLEXIWATT 27 HB | Automotive | Ecopack2 | |
| STPA001H |
Active
|
FLEXIWATT 25 HB | Automotive | Ecopack2 |
|
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| STPA001A | 2 distributors | Buy now |
Active
|
EAR99 | NEC | Tube | FLEXIWATT FM2 27 | -40 | 105 | CHINA | 4.9 / 1k | |
| STPA001 | 1 distributors | Sample & Buy Buy now |
Active
|
EAR99 | NEC | Tube | FLEXIWATT FM2 25 | -40 | 105 | CHINA | 4.7 / 1k | |
| STPA001H | No availability of distributors reported, please contact our sales office |
Active
|
EAR99 | NEC | Tube | FLEXIWATT 25 HB | -40 | 105 | CHINA | 4.7 / 1k | ||
| STPA001AH | 1 distributors | Buy now |
Active
|
EAR99 | NEC | Tube | FLEXIWATT 27 HB | -40 | 105 | CHINA | 5.7 / 1k | |
Marketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
4.7 / 1k(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
