BMS Printed Circuit Board Assembly Electronic PCB Assembly
Minimum Order Quantity:1
Payment Terms:T/T
Price:Inquiry Us
Layer:12L
Base Material:FR4
Min. Component Size:0201
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Shenzhen China
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Yasen Industrial Park, Baolong Street, Longgang District, Shenzhen
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BMS Printed Circuit Board Assembly Electronic PCB Assembly
♦ What is BMS?
A BMS is a Battery Management System—the electronic “brain” that
keeps a rechargeable battery pack safe, reliable, and long-lasting.
It is almost always built around a dedicated BMS PCBA (assembled
circuit board) that is mounted directly on or inside the battery
pack.
♦ Key Jobs the BMS PCBA Continuously Performs:
- Key jobs the BMS PCBA continuously performs:
- Cell-level voltage monitoring (over-charge & over-discharge protection)
- Current monitoring (charge/discharge over-current & short-circuit cut-off)
- Temperature sensing (thermal run-away prevention; heater control in cold)
- Cell balancing (bleeds charge from higher-voltage cells so the pack stays in balance, raising usable capacity and life)
- State-of-charge (SOC) & state-of-health (SOH) fuel-gauge calculations
- Communication (I²C, CAN, UART, BLE, etc.) to host device or charger
- Power-path / pre-charge control (hot-swap inrush limiting, sleep-mode MOSFETs)
♦ DQS's PCB Assembly Capability
Item | Normal | Special | |||
SMT Assembly | PCB(used for SMT) specification | Length and Width( L* W) | Minimum | L≥3mm, W≥3mm | L＜2mm |
Maximum | L≤800mm, W≤460mm | L ＞ 1200mm, W＞500mm | |||
Thickness( T) | Thinnest | 0.2mm | T＜0.1mm | ||
Thickest | 4 mm | T＞4.5mm | |||
SMT components specification | Outline Dimension | Min size | 0201(0.6mm*0.3mm) | 01005(0.3mm*0.2mm) | |
Max size | 200 * 125 | 200 * 125 | |||
component thickness | T≤15mm | 6.5mm＜T≤15mm | |||
QFP,SOP,SOJ (multi pins) | Min pin space | 0.4mm | 0.3mm≤Pitch＜0.4mm | ||
CSP/ BGA | Min ball space | 0.5mm | 0.3mm≤Pitch＜0.5mm | ||
DIP Assembly | PCB specification | Length and Width( L* W) | Minimum | L≥50mm, W≥30mm | L＜50mm |
Maximum | L≤1200mm, W≤450mm | L≥1200mm, W≥500mm | |||
Thickness( T) | Thinnest | 0.8mm | T＜0.8mm | ||
Thickest | 3.5mm | T＞2mm | |||
♦ One-Stop Electronic Manufacturing Including
PCB Prototype | Quick Turn PCB | Single-Sided PCB | Double-Sided PCB | Multilayer PCB | Rigid PCB |
Flexible PCB | Rigid-Flex PCB | Rigid-Flex PCB | Aluminum PCB | Metal Core PCB | Thick Copper PCB |
HDI PCB | BGA PCB | High TG PCB | PCB Stencil | Impedance Control PCB | PCB Assembly |
| High-Frequency PCB | Bluetooth Circuit Board | Automotive PCB | USB Circuit Board | Halogen-Free PCB | Antenna PCB |
♦ Core Competencies of DQS PCB Assembly
BMS Printed Circuit Board Assembly Electronic PCB Assembly
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