Product overview
Description
The STEC01 is an integrated programmable 12 mΩ power switch managed by the timer based circuitry.
The device has 3 timers designed to interrupt the ground path of a power application after a maximum on-time and inhibits the restart of the platform during a cooling window. The maximum on-time can be set from few seconds to hundreds of seconds, while the cooling window can be programmed to 69, 345 and 1380 seconds.
3 multi-level input pins, combined with a programmable oscillator and a fixed oscillator, are used to set the timing.
An input continuous or pulsed signal applied to the PWM pin starts the internal logic and counters. In case of a normal operation, as soon as the activity on the PWM pin stops, the device automatically enters idle mode, waiting for a new valid PWM signal to be applied. If the device detects a fault condition, a reset pulse is generated and the safety MOSFET is turned off and managed according to a predefined state machine.
The STEC01 has a continuous current capability up to 7 A through the internal power MOSFET. A higher current can be supported by using an external power transistor driven through GDRV pin.
A rising edge on the HW_RESET input pin generates a 57 ms pulse on the RESET_FAULT pin. This function can be used to notify the connection of an external power source (e.g. USB).
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All features
- Input voltage range from 2.2 to 5 V
- 12 mΩ typ. N-channel FET RDS(on)
- 7 A continuous current capability
- PWM control signal from 4 Hz to 5 kHz, with 30% to 100% duty cycle
- 30 µA battery supply current
- 2 programmable timers: T1, T3
- 1 fixed timer T2
- Input undervoltage lockout
- VFQFPN 3x3x0.9 16L, 0.5 mm pitch package
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STEC01
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STEC01PUR | Active | QFN-16L | Industrial | Ecopack2 | |
STEC01PUR
Package:
QFN-16LMaterial Declaration**:
(**) 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 | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STEC01PUR | | | distributors No availability of distributors reported, please contact our sales office |
STEC01PUR Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors