CW1244 is 3~4 cells series protection IC which provides voltage, current, open wire, temperature protections and cell balancing.
Description
• Overcharge protection
• Threshold 3.650V, 3.850V,and 4.175V ~4.375V, 25mV steps, ±25mV accuracy
• Over discharge protection
• Threshold from 2.300V to 2.800V, 100mV steps, ±30mV accuracy
• Excess discharge current protection
• Excess discharge current 1
• Threshold from 0.050V to 0.100V, ±5mV accuracy
• Excess discharge current 2
• Threshold from 0.100V to 0.200V, ±10mV accuracy
• Short circuits protection
• Threshold from 0.200V to 0.500V, ±20mV accuracy
• Excess charge current protection
• Threshold from-0.010V to -0.050V, ±5mV accuracy
• Flexible temperature protection threshold (Set up by external resistor)
• Charging over&under temperature protection
• Discharging over&under temperature protection
• Cell balancing function
• Open wire detection
• Load detection
• Ultra low power dissipation
• Normal working 20μA (25°C)
• Sleep mode 5μA (25°C)
• Package type: SSOP16
Application Field
•Robotcleaner
• Power tools
• Portable UPS
• Other Lithium-ion or Lithium polymer battery packs
Notice:
1. As a Diamond Member and an Audited Supplier of Made-in-China since 2014, Telefly guarantees that all the semiconductor chips and other electronic components we provide are 100% new and original, all the chips and components are from formal channels and can be traced back to original manufacturers.
2. All products we provide will be double checked and proper inspection process will be strictly followed before delivery.
3. We promise to provide at least 1 year after-sell service for all products we sell.
4. Due to the reality of sometime volatile changes of the chips and components' stock and prices, please contact with us for their availability and quoting prices before payment.
5. We use DHL, UPS, FedEx, TNT, HONGKONG Post, EUB, EMS or other global express delivery services you designate.
Company Profile
Company Profile
TELEFLY Telecommunications Equipment Co., Ltd. is a leading Chinese Telecommunications Equipment manufacturer and a semiconductor chip and other electronic component distributor founded in 2004, certified by SGS, CFL Certification Center. We provide high quality and price competitive semiconductor chips and other electronic components, Ethernet switch ,SFP transceiver,media converter ,patch cable, Fiber Optic Splitter and so on. Up till now, our products and solutions have been deployed in over 60 countries and regions, TELEFLY is looking forward to strengthening friendly cooperative relationships with all clients, creating benefits together and sharing the joy of success!
Our Advantages
Why you choose TELEFLY be one of your partner?
1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
FAQ
Q1 . What your MOQ?
A1 .If not specified, 1 pcs is ok,whatever how many you need,and we will also give you the best service.
Q2.What certification did you get?
A2 : Our product strictly operate the ISO9001:2008 quality control system and we passed the CE,FCC,ROHS and SGS test,you can trust us.
Q3 :What about your package and delivery,will it broke during shipping?
A3:You don't need to worry about the package,we will use shockproof case for delivering.
Q4.What your common delivery way?
A4:By air, by sea or express(UPS,DHL,Fedex,TNT,EMS...)We will make a perfect delivery plan for you.
Q5.Tell me some detail about warrant time.
A5:We give you the promise if any question during 1 year and not cause by human factors,we will fix it.
Audited Supplier 
){kind=link}
){kind=link}