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規格
| 屬性 | 價值 |
| Manufacturer | Holtek Semicon |
| Package | SOT-89-3 |
| Reset Active Level | Active Low |
| Output Type | Open drain |
| Threshold Voltage | 4.4V |
| ChipType | Voltage detector |
| Number of Voltages Monitored | 1 |
| Voltage - Supply | 1.5V~30V |
| Operating Temperature | -40℃~+85℃@(Ta) |
概述
Description
The HT7044A-1 is a voltage detector IC designed to monitor power supply levels and provide a reset signal when voltage drops below a preset threshold. Key features include:
- Low power consumption, making it suitable for battery-powered devices.
- Adjustable or fixed detection voltage (depending on the variant).
- High accuracy (±2% typical threshold precision).
- Compact package (e.g., SOT-23, TO-92), ideal for space-constrained applications.
Common uses include microcontroller reset circuits, power management, and system protection in consumer electronics, IoT devices, and industrial systems.
For exact specifications (voltage options, timing, etc.), refer to the datasheet from the manufacturer (e.g., Holtek or other providers).
- Low power consumption, making it suitable for battery-powered devices.
- Adjustable or fixed detection voltage (depending on the variant).
- High accuracy (±2% typical threshold precision).
- Compact package (e.g., SOT-23, TO-92), ideal for space-constrained applications.
Common uses include microcontroller reset circuits, power management, and system protection in consumer electronics, IoT devices, and industrial systems.
For exact specifications (voltage options, timing, etc.), refer to the datasheet from the manufacturer (e.g., Holtek or other providers).
Equivalent
The HT7044A-1 is a voltage detector IC. Equivalent or similar products include:
- HT7033A-1 (lower threshold variant)
- HT7050A-1 (higher threshold variant)
- XC61C series (Torex)
- S-808xx series (Seiko Instruments)
- MCP100/101 (Microchip)
These alternatives offer comparable voltage monitoring with slight variations in thresholds, accuracy, or package options. Always verify specs for compatibility.
- HT7033A-1 (lower threshold variant)
- HT7050A-1 (higher threshold variant)
- XC61C series (Torex)
- S-808xx series (Seiko Instruments)
- MCP100/101 (Microchip)
These alternatives offer comparable voltage monitoring with slight variations in thresholds, accuracy, or package options. Always verify specs for compatibility.
Features
The HT7044A-1 is a voltage detector IC with the following key features:
- Wide Operating Voltage Range: 1.2V to 10V.
- Low Power Consumption: Typically 0.8µA (ultra-low standby current).
- High Accuracy: Detection voltage accuracy of ±2%.
- Adjustable Detection Voltage: Configurable via external resistors.
- Output Options: CMOS output (active high/low selectable).
- Small Package: SOT-23-5, ideal for space-constrained applications.
- Temperature Stability: Operates reliably from -40°C to +85°C.
Commonly used in power management, battery monitoring, and system reset circuits.
- Wide Operating Voltage Range: 1.2V to 10V.
- Low Power Consumption: Typically 0.8µA (ultra-low standby current).
- High Accuracy: Detection voltage accuracy of ±2%.
- Adjustable Detection Voltage: Configurable via external resistors.
- Output Options: CMOS output (active high/low selectable).
- Small Package: SOT-23-5, ideal for space-constrained applications.
- Temperature Stability: Operates reliably from -40°C to +85°C.
Commonly used in power management, battery monitoring, and system reset circuits.
Manufacturer
The HT7044A-1 is manufactured by Holtek Semiconductor Inc., a Taiwan-based company specializing in integrated circuits (ICs).
Holtek focuses on microcontroller units (MCUs), mixed-signal ICs, and consumer electronics solutions. Known for cost-effective and reliable components, it serves industries like home appliances, automotive, and IoT. The HT7044A-1 is likely a voltage detector or power management IC, typical of Holtek’s product range.
Founded in 1983, Holtek is a mid-tier global player in the semiconductor market, emphasizing innovation and affordability.
Holtek focuses on microcontroller units (MCUs), mixed-signal ICs, and consumer electronics solutions. Known for cost-effective and reliable components, it serves industries like home appliances, automotive, and IoT. The HT7044A-1 is likely a voltage detector or power management IC, typical of Holtek’s product range.
Founded in 1983, Holtek is a mid-tier global player in the semiconductor market, emphasizing innovation and affordability.
Application
The HT7044A-1 is a voltage detector IC commonly used in:
1. Power Management: Monitoring battery voltage in portable devices (e.g., smartphones, wearables).
2. Automotive Electronics: Ensuring stable voltage in ECUs and infotainment systems.
3. Industrial Control: Protecting microcontrollers from undervoltage in PLCs and sensors.
4. Consumer Electronics: Power reset functions in appliances and IoT devices.
5. Embedded Systems: Safeguarding against voltage drops in microprocessors.
Its precision and low power consumption make it ideal for applications requiring reliable voltage supervision.
1. Power Management: Monitoring battery voltage in portable devices (e.g., smartphones, wearables).
2. Automotive Electronics: Ensuring stable voltage in ECUs and infotainment systems.
3. Industrial Control: Protecting microcontrollers from undervoltage in PLCs and sensors.
4. Consumer Electronics: Power reset functions in appliances and IoT devices.
5. Embedded Systems: Safeguarding against voltage drops in microprocessors.
Its precision and low power consumption make it ideal for applications requiring reliable voltage supervision.
Package
The HT7044A-1 is typically available in a SOT-89 surface-mount package. This compact, 3-pin package is commonly used for voltage regulators and other small ICs, offering good thermal performance and ease of assembly. For precise details, always refer to the manufacturer's datasheet.
