The LTC4150 Coulomb Counter Module is a compact and precise solution for real-time battery charge and current monitoring. Based on the reliable LTC4150 IC, this module measures the total charge flowing into or out of a battery and converts it into pulse outputs that represent fixed quantities of transferred charge. By counting these pulses using a microcontroller, you can accurately determine battery usage, charging state, and overall energy consumption. The module also provides a polarity (POL) signal to indicate whether the battery is charging or discharging. Designed to sit between the battery and load, it ensures all current is measured without interrupting system operation. With support for 1–2 cell Li-Ion batteries and 3–6 cell NiCd/NiMH packs, it is perfect for portable electronics, battery management systems, and energy tracking applications. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Features:
Accurate Coulomb Counting – Converts battery current flow into measurable pulse signals.
Real-Time Monitoring – Continuously tracks charge entering and leaving the battery.
Polarity Detection Output – Identifies charging or discharging conditions instantly.
Low Power Consumption – Only 1.5μA shutdown current for energy-efficient designs.
Wide Voltage Support (2.7V–8.5V) – Compatible with multiple battery chemistries.
Simple System Integration – Easily installs between battery and load.
Interrupt-Based Output (INT Pin) – Allows precise charge tracking via microcontroller counting.
Compact 10-Pin Design – Suitable for embedded and portable applications.
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Applications:
Battery Management Systems (BMS) – Monitor energy consumption accurately.
Portable Electronics – Track remaining battery capacity in handheld devices.
Energy Monitoring Systems – Measure charge flow in smart power systems.
Solar Power Projects – Monitor battery charge status in solar setups.
Smart Battery Packs – Integrate into custom lithium or NiMH battery packs.
Embedded Energy Tracking – Ideal for IoT devices requiring power monitoring.
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| General Specifications |
| Product Name | LTC4150 Coulomb Counter Module |
| Chip Model | LTC4150 |
| Operating Voltage | 2.7V – 8.5V DC |
| Operating Current Range | Up to 1A |
| Sense Voltage Range | ±50mV |
| Charge Count Frequency | 32.55Hz/V |
| Shutdown Current | 1.5μA |
| Output Signals | INT (Pulse), POL (Polarity) |
| Logic Reference | VIO Pin |
| Reset Control | CLR Pin |
| Shutdown Control | SHDN Pin |
| Module Pin Count | 10 Pins |
| Installation | Between Battery and Load |
| Shipment Weight | 0.003 kg |
| Shipment Dimensions | 3 × 3 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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Package Includes:
1 x LTC4150 Coulomb Counter Battery Charge Current Detection
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