TPS3899DL01DSER

TPS3899DL01DSER is Texas Instruments’ voltage supervisor (reset IC) in the TPS3899 family. It monitors a system supply (Vcc) and generates a reset signal to a microcontroller or processor when the supply is out of range, during power-up, or on brown-out. It provides a defined reset threshold, a reset output (to drive MCU reset lines), and typically a manual reset input for external forcing of reset. The DL01DSER suffix indicates the DSER package variant and reel/lead-free options. Key benefits include fast, deterministic reset on power-up/down, low quiescent current, and simplified power‑on sequencing for embedded designs. Common applications are microcontroller/SoC resets, brown-out protection, and reliable startup in automotive, industrial, and consumer electronics. For exact voltage thresholds, reset timing, current, pinout, and packaging details, consult the TPS3899 datasheet and product page.

Equivalent voltage-supervisor/reset ICs from other vendors:
- Microchip MCP1316/MCP1317 series
- Maxim MAX809/MAX810 series
- On Semiconductor NCP301/NCP303 series
- Analog Devices ADM803/ADM809 series
Note: exact match depends on supply range, reset threshold, delay, and package. Use TI’s Cross-Reference tool for precise substitutions.

- Pin count: 8 pins (DL01 DSER package).
- Function: One-channel voltage supervisor (microprocessor reset IC). It monitors the supply (VDD) and asserts an active-low reset output during power-up/power-down or when the supply goes out of spec; includes a manual reset input to force a reset.

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: TI is an American multinational technology and semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits and related products for automotive, industrial, consumer, and communications markets.

TPS3899DL01DSER is a single-channel supply-voltage supervisor with a reset output. Applications include:
- Microcontroller and digital-IC reset circuits (POR/BOR)
- Power-on reset sequencing for multi-rail systems
- Battery-powered and low-quiescent-current devices
- Consumer electronics requiring reliable reset on supply glitches
- Automotive and industrial electronics with robust reset under supply fluctuations
- Memory initialization and safe startup of processors and FPGAs
Provides deterministic reset during power-up/power-down or brown-out events.

TPS3899DL01DSER uses an 8-pin VSON/DSON package (3x3 mm) with an exposed pad on the bottom.