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Analog Devices LTC3300-1 | Demoboard DC2100A
High Efficiency Bidirectional Multicell Battery Balancer
Overview
| Topology | Other Topology |
| Input voltage | 3.2-4.5 V |
| IC revision | 4 |
Description
The LTC3300-1 is a fault-protected controller IC for transformer-based bidirectional active balancing of multicell battery stacks. All associated gate drive circuitry, precision current sensing, fault detection circuitry and a robust serial interface with built-in watchdog timer are integrated.Each LTC3300-1 can balance up to 6 series-connected battery cells with an input common mode voltage up to 36V. Charge from any selected cell can be transferred at high efficiency to or from 12 or more adjacent cells. A unique level-shifting SPI-compatible serial interface enables multiple LTC3300-1 devices to be connected in series, without opto-couplers or isolators, allowing for balancing of every cell in a long string of series-connected batteries.When multiple LTC3300-1 devices are connected in series they can operate simultaneously, permitting all cells in the stack to be balanced concurrently and independently. Fault protection features include readback capability, cyclic redundancy check (CRC) error detection, maximum on-time volt-second clamps, and overvoltage shutoffs.
Features
- Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series
- Up to 10A Balancing Current (Set by Externals)
- Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors
- Bidirectional Architecture Minimizes Balancing Time and Power Dissipation
- Up to 92% Charge Transfer Efficiency
- Stackable Architecture Enables >1000V Systems
- Uses Simple 2-Winding Transformers
- 1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error Checking
- High Noise Margin Serial Communication
- Numerous Fault Protection Features
- 48-Lead Exposed Pad QFN and LQFP Packages
- AEC-Q100 Qualified for Automotive Applications
Typical applications
- High Power UPS/Grid Energy Storage Systems, General Purpose Multicell Battery Stacks
- Electric Vehicles/Plug-in HEVs
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1(V) | IOut1(mA) | L(µH) | n | IR(A) | ISAT(A) | LS(µH) | VT(V) | Size | IC Reference | xPxC | Ports | Shielding | Tab | EMI | Application System | Packaging | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Pins | Type | Mount | L(mm) | IR(mA) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-FLYLT Flyback Transformers for Linear Technology, 2 - 5.5 V (DC), 20 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FLYLT Flyback Transformers for Linear Technology | Input Voltage 2 - 5.5 V (DC) | Output Voltage 120 V | Output Current 1250 mA | Inductance3.46 µH | Turns Ratio1:1 | – | Saturation Current10.2 A | Leakage Inductance0.12 µH | Insulation Test Voltage500 V | SizeEP13 | IC ReferenceLTC3300 | – | – | – | – | – | – | PackagingTape and Reel | Height12.7 mm | – | – | – | – | – | – | – | MountSMT | Length13.46 mm | – | – | Operating Temperature -40 °C up to +125 °C | ||||
 | WS-TASV SMT Tact Switch 6.0x3.8 mm, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV SMT Tact Switch 6.0x3.8 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingTape and Reel | Height2.5 mm | Operation Force260 g | Electrical Life30000 Cycles | Actuator ColorWhite | WashableNo | Vaporphase processnot specified | – | – | – | – | Rated Current50 mA | – | Operating Temperature -40 °C up to +85 °C | ||
 | WR-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | Rated Current1 A | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | Pins2 | – | – | – | Rated Current3000 mA | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | |||
 | WR-MJ Cat 3 Modular Jacks – THT, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-MJ Cat 3 Modular Jacks – THT | – | – | – | – | – | – | – | – | – | – | – | Number of Pins (xPxC)8P8C | Ports1x1 | ShieldingShielded | Tab PositionDown | EMI FingersNo | Application SystemCAT 3 | PackagingTray | – | – | – | – | – | – | – | TypeHorizontal | MountTHT | – | Rated Current1500 mA | Working Voltage120 V (AC) | Operating Temperature -40 °C up to +85 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | Rated Current2 A | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length6 mm | Rated Current2000 mA | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | – | – | – | – | – | – | Pins6 | TypeStraight | MountTHT | Length6 mm | Rated Current2000 mA | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-BHD 2.00 mm Male, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-BHD 2.00 mm Male | – | – | – | – | – | Rated Current2 A | – | – | – | – | – | – | – | – | – | – | – | PackagingTray | – | – | – | – | – | – | Pins16 | TypeStraight | MountTHT | Length23.2 mm | Rated Current2000 mA | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +125 °C |