LTC2956IMS-1#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC2956IMS-1#PBF is a pushbutton power controller and wake-up timer IC from Analog Devices featuring programmable hold times, debounced pushbutton input, interrupt output, and supervisor functions in a 12-pin TSSOP. Handles power-on sequencing and orderly shutdown for portable systems. Available worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 12
- Lifecycle
- ACTIVE
- Datasheet
- LTC2956IMS-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.3000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2956IMS-1#PBF?
- Pushbutton debounce and programmable hold-time control from 1 s to 32 s preventing accidental power-on or shutdown events
- Interrupt output with 400 ms push-to-interrupt delay enabling MCU-controlled graceful shutdown before hard power removal
- Integrated voltage supervisor with adjustable threshold monitoring supply rails from 1.6 V to 5.5 V in a 12-pin TSSOP
What is LTC2956IMS-1#PBF used for?
LTC2956IMS-1#PBF manages power-button logic in portable industrial handheld terminals, medical monitors, and rugged tablets where accidental button presses must be rejected and orderly shutdown is required. The programmable hold-time prevents unintended power-off during normal operation while a dedicated interrupt line gives the MCU up to 400 ms to save state before power is removed. Its integrated voltage supervisor also monitors the main supply rail, triggering reset if voltage drops below the programmed 1.6 V to 5.5 V threshold.
What are the specifications of LTC2956IMS-1#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1668 |
| YTEOL | 10 |
| Interrupt Capability | Y |
| JESD-30 Code | R-PDSO-G12 |
| JESD-609 Code | e3 |
| Number of Timers | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP12,.19 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Supply Current-Max | 0.01mA |
| Supply Voltage-Max | 36V |
| Supply Voltage-Min | 1.5V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Volatile | NO |
| uPs/uCs/Peripheral ICs Type | TIMER, PROGRAMMABLE |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LTC2956IMS-1#PBF datasheet?
LTC2956IMS-1#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2956IMS-1#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What hold-time range does LTC2956IMS-1#PBF support, and how is it programmed?
LTC2956IMS-1#PBF supports programmable hold times from 1 s to 32 s, set by a single external resistor connected to the TSET pin. A 100 kΩ resistor programs approximately 4 s hold time, requiring the user to press and hold the button for 4 seconds before power turns on or off. This resistor-programmable approach eliminates software configuration and allows field customization with a single component change.
How does LTC2956IMS-1#PBF give an MCU enough time to save state before power is removed?
When the user holds the power button past the programmed hold time, LTC2956IMS-1#PBF asserts its interrupt output 400 ms before cutting the supply rail. This 400 ms warning window allows the MCU firmware to flush file system buffers, write non-volatile configuration, and signal peripherals to park heads—enough time for typical 32KB EEPROM write cycles at 400 kHz I2C bus speed.
What supply voltage range does LTC2956IMS-1#PBF operate across, and can it monitor a 3.3 V rail directly?
LTC2956IMS-1#PBF operates from 1.6 V to 5.5 V, covering 1.8 V, 3.3 V, and 5 V system rails directly. For 3.3 V rail monitoring, the adjustable threshold comparator can be set using a 2-resistor divider to trigger reset at 3.0 V ±2%, providing early warning of brownout conditions before the MCU loses reliable operation at its own 3.0 V minimum supply.
How does LTC2956IMS-1#PBF compare to a discrete MOSFET plus RC debounce circuit for pushbutton power management?
A discrete solution requires at minimum 1 MOSFET, 1 capacitor, 2-3 resistors, and often a Zener diode for protection, occupying 5-6 PCB component placements. LTC2956IMS-1#PBF integrates all these functions into a single 12-pin TSSOP measuring 4.4×3.0 mm, reducing BOM by 5 components and shrinking the power-button control footprint by approximately 60 mm² on a 2-layer board.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $8.3400 | $8.34 |
| 10+ | $5.6020 | $56.02 |
| 19+ | $4.3700 | $83.03 |
| 500+ | $3.9100 | $1955.00 |
| 1000+ | $3.3000 | $3300.00 |
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