SC8885QDER Integrated Circuit Chip Synchronous Bi-Directional Buck-Boost Charger Controller
Product Description
SC8885QDER is a synchronous buck-boost charger, which supports buck mode, boost mode and buck-boost mode during forward charging or reverse discharging operation. SC8885QDER manages 1 to 4 cells battery charging from wide input range from 3.5V to 28V, supporting pre-charge, constant current charge, constant voltage charge. The battery discharging mode supports wide output range from 3V to 24V with 8mV resolution.
Specifications
| VIN range |
3.5~24V |
| Abs. VIN (max) |
29V |
| Battery Cell # |
1-4s |
| Charge Current (max) |
8A |
| Topology |
Buck-boost |
| OTG voltage |
3V-24V |
| Prog. OTG Voltage |
I2C Prog |
| Max. OTG current |
6.4A |
| Rec'd app. power level |
65W typ. |
| I2C Ctrl |
yes, SMBus |
| Prog. Ilim |
I2C prog or ext. res |
| ADC |
10-bit |
| PowerPath |
NVDC PowerPath |
| Features |
Peak Power Mode, VAP, PTM Power monitor, /PROCHOT |
| Package |
QFN 4x4 |
Features
- Wide input range: 3.5V to 28V, 30V sustainable
- High efficiency Buck-Boost conversion
- Buck-Boost battery charger for 1 to 4 cell batteries
- Charging management including precharge, fast charge, constant voltage charge, auto-wake up
- Reverse discharging mode, output voltage range: 3V to 24V with 8 mV resolution, comply with USB PD 3.0 standards
- NVDC PowerPath management and dynamic power management
- SMBus interface
- Input current limit set by external resistor and internal register
- Switching frequency: 800kHz /1.2MHz
- Integrated PSYS/IADPT/IBAT pin for power and current monitor, compliant with Intel IMVP8/9 standard
- Integrated processor hot indication(/PROCHOT) pin
- Pass through mode (PTM)
- Integrated VMIN active protection (VAP) to supplement system peak power when only battery exists
- 2-Level input current limit for CPU peak power
- Input current optimizer (ICO) algorithm for maximum adapter power capacity
- Learn mode and ship mode for system application
- Integrated 10-bit high accuracy ADC
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Frequently Asked Questions
Q. Are your products original?
A: Yes, all products are original, new original import is our purpose.
Q: Which Certificates do you have?
A: We are ISO 9001:2015 Certified Company and member of ERAI.
Q: Can you support small quantity order or sample? Is the sample free?
A: Yes, we support sample order and small order. Sample cost is different according to your order or project.
Q: How to ship my order? Is it safe?
A: We use express to ship, such as DHL, Fedex, UPS, TNT, EMS. We can also use your suggested forwarder. Products will be in good packing and ensure the safety and we are responsible to product damage to your order.
Q: What about the lead time?
A: We can ship stock parts within 5 working days. If without stock, we will confirm lead time for you based on your order quantity.
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