The TPS3840DL42DBVRQ1 family of voltage supervisor or reset ICs can operate at high voltage levels while maintaining very low quiescent current over the entire VDD and temperature range. The TPS3840-Q1 offers an optimal combination of low power consumption, high precision and low propagation delay (tp_HL = 30µs typical).

The TPS3840DL42DBVRQ1 reset output signal asserts when the voltage on VDD drops below the negative voltage threshold (VIT-) or when manual reset is pulled to low logic (VMR_L). The reset signal is cleared when VDD rises above VIT- plus hysteresis (VIT+) and manual reset (MR) is floating or above VMR_H, reset delay time (tD) has expired. The reset delay time can be programmed by connecting a capacitor between the CT pin and ground. For fast reset, the CT pin can be left floating.

TPS3840DL42DBVRQ1 Low power-on reset voltage (VPOR), built-in glitch rejection protection for MR and VDD, built-in hysteresis, low open-drain output leakage current (ILKG(OD)). The TPS3840DL42DBVRQ1 is a perfect voltage monitoring solution for automotive applications and battery-powered/low-power applications.

Product Specifications:

Product Type: Monitoring Circuits

RoHS: Details

Type: Voltage Supervisory

Installation style: SMD/SMT

Package / Box: SOT-23-5

Threshold voltage: 4.2 V

Number of Monitored Inputs: 1 Input

Output Type: Active Low, Open Drain

Manual reset: Manual Reset

Watchdog Timer: No Watchdog

Battery backup switch: No Backup

Reset Delay Time: 619 ms

Supply Voltage - Max: 10 V

Minimum working temperature: - 40 C

Maximum working temperature: + 125 C

Accuracy: 1 %

Series: TPS3840

Qualification: AEC-Q100

Chip enable signal: No Chip Enable

Development Kit: TPS3840EVM

Operating supply current: 300 nA

Power Failure Detection: Yes

Product Type: Supervisory Circuits

Subcategory: PMIC - Power Management ICs

Supply Voltage - Min: 1.5 V

Unit weight: 31.600 mg