The Ricoh R1210N282C-TR is a voltage detector IC designed for use in a wide range of electronic devices. This IC provides a reliable and accurate method for monitoring voltage levels and triggering reset signals when the voltage falls below a predetermined threshold.

Applications

• Microcontroller reset circuits: Ensures proper reset of microcontrollers during power-up and brown-out conditions.
• Power management systems: Monitors voltage levels to prevent damage from undervoltage conditions.
• Battery-powered devices: Provides low-battery detection and shutdown functionality.
• Industrial control systems: Protects sensitive equipment from voltage fluctuations.
• Consumer electronics: Used in various devices like smartphones, tablets, and digital cameras for power management and protection.

Features

• High-accuracy voltage detection: Provides precise monitoring of voltage levels.
• Low current consumption: Minimizes power drain in battery-powered applications.
• Small package size: Suitable for space-constrained applications.
• Open drain output: Allows for flexible connection to other circuitry.
• Hysteresis: Prevents oscillation during voltage transitions.
• Operating voltage range: Typically 1.4V to 5.5V, suitable for a variety of power sources.
• Detection voltage: 2.8V.

Benefits

• Improved system reliability: Protects against damage from undervoltage conditions.
• Extended battery life: Low current consumption helps prolong battery life in portable devices.
• Simplified circuit design: Integrated functionality reduces the need for external components.
• Reduced system cost: Compact size and integrated features can lower overall system cost.
• Enhanced safety: Prevents malfunction of devices due to voltage drops, ensuring safe operation.

Additional Details

The R1210N282C-TR is typically supplied in a small SOT-23 package. The device features an open-drain output, which requires an external pull-up resistor. The hysteresis feature prevents unwanted oscillation during voltage transitions. The specific voltage detection threshold of 2.8V makes it suitable for systems operating at or around that voltage level. The 'TR' suffix indicates tape and reel packaging for automated assembly.

This voltage detector is crucial in preventing erratic behavior or damage to sensitive electronic components by ensuring a stable power supply. It is a vital component in ensuring proper operation and longevity of various electronic devices.