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BMS Printed Circuit Board Assembly Electronic PCB Assembly

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DQS Electronic Co., Limited

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BMS Printed Circuit Board Assembly Electronic PCB Assembly

MOQ : 1

Price : Inquiry Us

Payment Terms : T/T

Layer : 12L

Base Material : FR4

Min. Component Size : 0201

PCB Thickness : 1.5mm

Pin Space : 0.1mm

Surface Finish : HASL

Testing Method : Flying Probe, ICT, Functional Test,AOI

Application : Tablet

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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
		Length and Width( L* W)	Maximum	L≤800mm, W≤460mm	L ＞ 1200mm, W＞500mm
		Thickness( T)	Thinnest	0.2mm	T＜0.1mm
		Thickness( T)	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
		Length and Width( L* W)	Maximum	L≤1200mm, W≤450mm	L≥1200mm, W≥500mm
		Thickness( T)	Thinnest	0.8mm	T＜0.8mm
		Thickness( T)	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

SMT		DIP
13 automatic high-speed SMT line 5 million points / day FPC/Double sided mounted Automatic conformal coating		4 DIP line Post-soldering700,000 points/day Professional DIP plug-in team
	SMT Technology		PCBA OEM
	Min package: 01005 Min pin: 0.3mm Min BGA pitch: 0.3 mm		Full turnkey PCB assembly Partial turnkey PCB assembly

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printed circuit board assembly PCBA

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