Product overview
Description
L5965 is a multiple voltage regulator composed by two battery compatible BUCK pre-regulators (one of which is a controller), two BUCK post regulators with internal compensation, one BOOST, one LDO and a precise voltage reference regulator. All the regulators, except the BUCK1 pre-regulator, have internal power switches.
OTP (One Time Programmable) cells are used for the main device parameters programming (output voltages and currents, switching frequencies) and to configure the power up sequence.
An SPI interface can be used to enable or disable the single voltage regulators, for diagnostic information and to program internal blocks parameters (monitor and Power Good thresholds, slew rate, etc.).
The device offers a set of features to support applications that need to fulfill functional safety requirements as defined by Automotive Safety Integrity Level (ASIL) A-B-C-D.
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All features
- AEC-Q100 qualified
- Pre SMPS BUCK1 regulator controller, adjustable via OTP to 0.8 V, 1.0 V, 1.1 V, 1.2 V, 1.8 V, 3.3 V, 3.8 V, 5.0 V at 0.4 MHz
- Pre SMPS BUCK2 regulator, adjustable via OTP to 1.0 V, 1.1 V, 1.2 V, 1.35 V, 1.5 V, 3.3 V, 3.6 V, 5.0 V at 1.35/2.6 A min peak current limit, 0.4/2.4 MHz
- Post SMPS BUCK3 regulator, adjustable via OTP to 1.0 V, 1.2 V, 1.35 V, 1.8 V, 2.0 V, 2.3 V, 2.5 V, 3.3 V at 1.4 A min peak current limit, 2.4 MHz
- Post SMPS BUCK4 regulator, adjustable via OTP to 1.1 V, 1.12 V, 1.2 V, 1.25 V, 1.3 V, 1.35 V, 1.8 V, 3.3 V at 1 A min peak current limit, 2.4 MHz
- Post SMPS BOOST regulator, adjustable via OTP to 5.0 V at 0.3 A max load current, 7.0 V at 0.2 A max load current, 2.4 MHz
- Post Linear regulator LDO, adjustable via OTP to 1.2 V, 1.25 V, 1.3 V, 1.8 V, 2.5 V, 2.8 V, 3.3 V, 5.0 V at 300/600 mA max load current
- Precise Voltage reference, adjustable via OTP to 1.8 V, 2.5 V, 3.3 V, 4.1 V at 20 mA max load current
- SPI interface with CRC
- Programmable slew rate/soft start
- Voltage supervisors
- Spread frequency spectrum
- Reset and reset activation list
- Adjustable window watchdog supervisors
- Power up phase programmable via OTP
- Short circuit protected outputs and Fault detection pin to Microcontroller
- Low external components number
- Thermal shutdown junction temperature 175 °C
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STMicroelectronics - L5965
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L5965SQ-V0T | Active | VFQFPN 48 7x7x1.0 mm | Automotive | Ecopack2 | |
| L5965SQ-V0Y | Active | VFQFPN 48 7x7x1.0 mm | Automotive | Ecopack2 | |
| L5965SQ-VOY | Preview | VFQFPN 48 7x7x1.0 mm | 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 | 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) | Operating Temperature (°C) (max) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||
| L5965SQ-V0Y | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| L5965SQ-VOY | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
| L5965SQ-V0T | | | distributors No availability of distributors reported, please contact our sales office | |||||||||||
L5965SQ-V0Y Active
L5965SQ-VOY Preview
L5965SQ-V0T 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