TPS3899集成電路（IC）的監(jiān)控器規(guī)格書(shū)PDF中文資料

1 Features

Qualified for automotive applications:

? AEC-Q100 qualified with the following results:

– Device temperature grade 1: –40°C to +125°C

ambient operating temperature

– Device HBM ESD classification level 2

– Device CDM ESD classification level C7B

Designed for high performance:

? Nano quiescent current: 125nA (typical)

? High threshold accuracy: ±0.5% (typical)

? Built-in precision hysteresis (VHYS): 5% (typical)

Designed for a wide range of applications:

? Operating voltage range:

– 0.85V to 6V (DL and PL outputs)

– 1V to 6V (PH output)

? Adjustable threshold voltage: 0.505V (typical)

? Precision voltage and push-button monitor

? Programmable sense and reset delay

? Fixed (VIT-) voltage: 0.8V to 5.4V in 0.1V steps

Multiple output topologies / Package type:

? TPS3899DL-Q1: open-drain, active-low (RESET)

? TPS3899PL-Q1: push-pull, active-low (RESET)

? TPS3899PH-Q1: push-pull, active-high (RESET)

? Package: 1.5mm × 1.5mm WSON (DSE)

2 Applications

? Advance Driver Assistance Systems (ADAS)

? Infotainment head unit

? Automotive gateway

? Camera module

? Radar ECU

? Automotive external amplifier

3 Description

The TPS3899-Q1 is a nano-power, precision voltage

supervisor with ±0.5% threshold accuracy and

programmable sense and reset time delay in a 6-pin

space saving 1.5mm × 1.5mm WSON package. The

TPS3899-Q1 is a feature-rich voltage supervisor that

offers the smallest total solution size in its class. Builtin

hysteresis along with programmable delay prevent

false reset signals when monitoring a voltage rail or

push button signals.

The separate VDD and SENSE pins allow for

the redundancy sought by high-reliability systems.

SENSE is decoupled from VDD and can monitor rail

voltages other than VDD. Optional use of external

resistors are supported by the high impedance input

of the SENSE pin. Both CTS and CTR provide delay

adjustability on the rising and falling edges of the

RESET signals. CTS also functions as a debouncer

by ignoring voltage glitches on the monitored voltage

rails and operates as a manual reset that can be

used to force a system reset.

The precision performance, best in-class features in

a compact form factor, makes the TPS3899-Q1 an

ideal solution for wide ranging automotive and batterypowered

/ low-power applications. The device is fully

specified over a temperature range of

–40°C to +125°C (TA).