HDSC IoT Ultra-Low Power Solution

IoT & Smart Devices Application

Description

Comprehensive IoT solution based on HDSC HC32L series ultra-low power MCUs. Achieves years of battery life with rich connectivity and sensor interfaces.

Core Advantages

Sub-μA standby current enables multi-year battery life
Rapid 4μs wake-up from deep sleep mode
Rich analog peripherals eliminate external components
Hardware security features protect IoT devices
Comprehensive development tools accelerate time to market

Recommended Bill of Materials (BOM)

Item Part Number Description Quantity Datasheet
1 HC32L196KCTA Ultra-low power MCU 1 📄 Download
2 SX1262IMLTRT LoRa transceiver (optional) 1 📄 Download
3 CR2032 Coin cell battery 1 📄 Download
4 TPS7A02 Ultra-low power LDO 1 📄 Download

Applications

Smart Home Sensors
Environmental Monitoring
Asset Tracking
Wearable Devices
Smart Meters

Technical Specifications

standby Current
0.5μA (with RTC)
active Current
35μA/MHz
wake Up Time
4μs from deep sleep
battery Life
10+ years on coin cell
temperature Range
-40°C to +85°C
wireless Support
BLE, LoRa, Zigbee compatible

Customer Success Stories

Leading Utility Company

IoT & Smart Devices | Smart Water Meter

Challenge

Deployed 100,000+ smart water meters using HDSC HC32L196

Solution

HDSC IoT Ultra-Low Power Solution

Results

Achieved 12-year battery life, passed IP68 certification

FAE Expert Insights

S

Senior FAE

Applications Engineer

10+ years

Professional Insights

I've implemented this solution in numerous smart meter and sensor applications. The key to achieving 10+ year battery life is aggressive power management - spend 99%+ time in standby mode, minimize active time, and optimize wake-up frequency. The HC32L196's 0.5μA standby current is genuine - I've verified it in lab conditions. The integrated LCD driver is a major advantage for meter applications, eliminating the need for external driver ICs. For wireless connectivity, I recommend pairing with LoRa for long-range, low-data-rate applications, or BLE for smartphone connectivity. The hardware security features are essential for smart meters to prevent tampering. LiTong's power calculator tool is invaluable for estimating battery life accurately.

Key Takeaways

  • Select appropriate MCU based on application requirements
  • Follow reference designs for optimal performance
  • Use provided software libraries to accelerate development

Decision Framework

Decision Framework
Steps:
  1. Evaluate requirements
  2. Compare solutions
  3. Consult FAE

Ready to Implement This Solution?

Contact our FAE team for design support and quotes

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Frequently Asked Questions

What is the lowest power mode available?

The HD32L series supports Deep Sleep mode with 0.5μA current while maintaining RTC operation. Shutdown mode reduces current to 0.15μA. For more detailed information and application guidance, please consult the product datasheet or contact our technical support team.

How do I calculate expected battery life?

Battery life depends on duty cycle and battery capacity. LiTong provides a power calculator tool for accurate estimation. For more detailed information and application guidance, please consult the product datasheet or contact our technical support team.

What wireless protocols are supported?

HDSC MCUs interface with external transceivers via SPI/UART/I2C. Common pairings include BLE, LoRa, and Sub-GHz modules. For more detailed information and application guidance, please consult the product datasheet or contact our technical support team.