KAQ2010A
AEC-Q100 Grade 1 qualified 5000V isolation photocoupler for high-voltage automotive applications.
Product Overview
Description
The KAQ2010A provides enhanced 5000V isolation for high-voltage automotive applications such as EV battery management.
AEC-Q100 Grade 1 qualified with full -40°C to +125°C operation and PPAP Level 3 documentation.
The SOP-6 package provides increased creepage distance for high-voltage safety.
Product Series
KAQ
Primary Application
EV battery management
Key Features
- 5000V high isolation
- AEC-Q100 Grade 1
- Automotive temp range
- Enhanced creepage
- SOP-6 package
- PPAP support
- RoHS compliant
Specifications
| Output Type | Transistor |
|---|---|
| Isolation Voltage | 5000Vrms |
| CTR | 50-300% (automotive grade) |
| Forward Voltage | 1.2V typical |
| Forward Current | 50mA max |
| Collector-Emitter Voltage | 80V |
| Package | SOP-6 |
| Operating Temperature | -40°C to +125°C |
| Qualification | AEC-Q100 Grade 1 |
| PPAP | Level 3 available |
Applications
EV battery management
Battery and charging management
High-voltage isolation
Electronic system design
On-board chargers
Battery and charging management
DC-DC converters
Power conversion and supply
Safety-critical systems
Electronic system design
FAE Expert Insights
"For automotive applications requiring high isolation, the KAQ2010A delivers 5000V isolation with full automotive qualification. This is my recommendation for on-board chargers, DC-DC converters, and high-voltage battery systems in EVs. The enhanced creepage distances and automotive-grade materials provide long-term reliability. Design consideration: automotive applications often have strict EMI requirements - the KAQ2010A's excellent CMTI helps meet these. Always follow automotive PCB layout guidelines for isolation and creepage."
5000V automotive photocoupler for EV BMS applications
— Senior FAE Team, BeiLuo
Frequently Asked Questions
Why is 5000V isolation needed for EV BMS?
EV battery packs operate at 400V-800V DC. Safety standards require reinforced isolation between high-voltage battery and low-voltage control circuits. 5000V isolation provides necessary safety margin for 800V systems withstanding transient overvoltages and ensuring user safety.
5000V required for EV high-voltage safety.
What is creepage distance and why does it matter?
Creepage is the shortest path along the insulation surface between conductive parts. For 5000V, adequate creepage (typically >8mm) prevents tracking and flashover. The SOP-6 package provides extended pin spacing for this requirement. PCB layout must also maintain adequate creepage.
>8mm creepage required for 5000V.
How many photocouplers are used in a typical EV BMS?
A typical EV BMS uses 12-24 photocouplers: cell monitoring (1 per 12-16 cells), contactor control (2-4), current sensing (1-2), isolation monitoring (1-2), communication (2-4). A 96-cell pack typically uses ~20-24 photocouplers total.
12-24 photocouplers per EV BMS system.
What is the difference between SOP-4 and SOP-6 packages?
SOP-4 has 4 pins with standard spacing. SOP-6 has 6 pins with wider spacing for increased creepage distance. The extra pins in SOP-6 may be no-connect or used for additional shielding. SOP-6 is required for 5000V isolation, while SOP-4 is sufficient for 2500V.
SOP-6 for 5000V, SOP-4 for 2500V.
Are there any special handling requirements?
Automotive grade devices should be handled with standard ESD precautions. store in original packaging until use. Follow IPC/JEDEC J-STD-020 for moisture sensitivity. the devices are qualified for automotive reflow profiles. Contact BeiLuo for specific handling guidelines.
Standard ESD precautions, follow J-STD-020.