PGY122 48V 20A 13S
The PGY-122 is a compact battery protection board designed for 13-series (13S) ternary lithium battery packs. It supports up to 20A continuous discharge current and is intended for power applications, such as electric bicycles. This product is a hardware-based protection solution providing essential safety protections including overcharge, over-discharge, over-current, short-circuit, and temperature protections.
Product Detail
Product Overview
The PGY-122 is developed for 13S ternary lithium rechargeable battery packs. It adopts an integrated protection IC solution and a 2 charge MOS + 2 discharge MOS architecture, delivering stable protection performance for moderate-current power systems.
It is suitable for compact battery packs requiring reliable protection in typical power environments.
Key Features
- Supports 13S Ternary Lithium Battery Packs
- 20A Continuous Discharge Capability
- Hardware Protection Functions:
- Overcharge protection
- Over-discharge protection
- Charge over-current protection
- Discharge over-current protection (two-level)
- Short-circuit protection
- Temperature protection (charge & discharge high temperature)
- Overcharge protection
- Low quiescent current design
- Compact PCB size for space-limited packs
- Designed for electric bicycle applications
Electrical Specifications
- Battery Chemistry: Ternary Lithium
- Number of Cells: 13S
- Typical Operating Voltage (Pack): 46.8 V
- Operating Voltage Range (Pack): 35.1 V ~ 55.25 V
- Max Charge Voltage (Pack): 55.25 V (CC / CV)
- Max Continuous Charge Current: 15 A
- Max Continuous Discharge Current: 20 A
Protection Parameters (Typical, 25 °C)
Cell Voltage Protection
- Overcharge Protection (per cell): 4.25 V (typ.), release at 4.15 V
- Over-discharge Protection (per cell): 2.70 V (typ.), release at 3.00 V
Over-Current & Short Circuit
- Charge Over-Current Protection (Icoc): 10 / 15 / 20 A (Min / Typ / Max)
- Discharge Over-Current Protection 1 (Idoc1): 70 / 80 / 90 A (Min / Typ / Max)
- Discharge Over-Current Protection 2 (Idoc2): 140 / 160 / 180 A (Min / Typ / Max)
- Short-Circuit Protection Delay Time: 200 / 350 / 700 μs (Min / Typ / Max)
Temperature Protection
- Discharge Over-Temperature Threshold: 70 / 75 / 80 °C (Min / Typ / Max)
- Discharge Over-Temperature Recovery: 55 / 60 / 65 °C (Min / Typ / Max)
- Charge Over-Temperature Threshold: 45 / 50 / 55 °C (Min / Typ / Max)
- Charge Over-Temperature Recovery: 42 / 47 / 52 °C (Min / Typ / Max)
Other
- Quiescent Current (Icc1): 25 / 70 μA (Typ / Max)
- Conduction Resistance (B− to P−, Rdon1): 35 mΩ (Max)
Environmental & Mechanical
- Operating Temperature: −20 °C to +65 °C
- Storage Temperature: −40 °C to +90 °C
- Operating Humidity: ≤ 90% RH (non-condensing)
- Maximum Operating Altitude: 4000 m
- PCB Dimensions: 50 × 32 × 10 mm
Application Scenarios
- Electric bicycles
- 13S ternary lithium battery packs
- Moderate-current power battery systems requiring compact protection
Our Advantages
Simple & Reliable
• Stable hardware + proven firmware
• No unnecessary features
Built for Light EVs
• Scooters / E-bikes / Tricycles
• Golf carts / Light electric motorcycles / Drones
Essential Protection
• OV / UV / OC / SC / OTP
• Designed for daily use
Bluetooth Support
• Optional Bluetooth monitoring
• Basic status & diagnostics
Easy Integration
• Clear hardware interface
• Simple configuration
Reasonable Cost
• In-house production
• Competitive pricing for real orders
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Our experts team is ready to help with your specific application needs
Phone: +86-13620907687
Email : business@pgybms.com
Launch Tech Industrial Park, No. 4012 Wuhe Avenue, Bantian Street, Longgang District,Shenzhen