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Category: Battery Reference Designs

1 to 2s HDQ Li-Ion Battery Pack Manager Reference Design

The Texas Instruments bq78z100 device is a Battery Pack Manager that integrates gas gauging: and protection for complete autonomous operation of 1-series to 2-series cell Li-Ion and Li-Polymer battery packs. The architecture enables communication between the fuel gauging processor and an external battery charger controller through HDQ broadcast commands. This reference design eases the design…
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1 to 2s I2C Li-Ion Battery Pack Manager Reference Design

The Texas Instruments bq28z610 device is a Battery Pack Manager that integrates gas gauging: and protection for complete autonomous operation of 1-series to 2-series cell Li-Ion and Li-Polymer battery packs. The architecture enables communication between the fuel gauging processor and an internal battery charger controller through I2C broadcast commands. This reference design eases the design…
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1 to 4 Series Cell Li-Ion Battery Pack Manager Reference Design

The Texas Instruments bq40z50-R1 device is a Battery Pack Manager that integrates gas gauging: and protection for completely autonomous operation of 1-series to 4-series cell Li-Ion and Li-Polymer battery packs. The architecture enables communication between the fuel gauging processor and an enternal battery charger controller through SMBus broadcast commands.
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1-Degree Dial Reference Design Using the LDC1314 Inductance-to-Digital Converter

The LDC1314's unique inductive sensing capability is used to implement a contactless rotational position sensing solution that is accurate to 1 degree. It uses standard PCB technology and easily manufactured components to implement a low cost solution.This reference design uses the LDC1314.  This reference design can also be used with LDC1312: LDC1612 and LDC1614.
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1-kW/36-V Power Stage for Brushless Motor in Battery Powered Garden and Power Tools Reference Design

This reference design is a power stage for brushless motors in battery-powered garden and power tools rated up to 1 kW. The power stage operates from a 10-cell lithium-ion battery with a voltage range from 36 to 42 V. The design uses CSD18540Q5B NexFETs featuring a very low drain-to-source resistance (RDS_ON ) of 1.8 mΩ in a SON5x6 SMD package: which results in a very small form factor of 57 ×…
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1.6MHz Synchronous Switch-Mode Li-Ion/Li-Polymer Stand-Alone Battery Charger Reference Design

This reference design is highly integrated stand-alone Li-ion and Li-polymer switch-mode battery charge solution with two integrated N-channel power MOSFETs and a power path selector gate driver. It offers a constant-frequency synchronous PWM controller with high accuracy regulation of input current: charge current and voltage. It also provides battery detection: pre-conditioning: charge…
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10.8V/250W: 97% Efficient:Compact Brushless DC Motor Drive w/Stall Current Limit Reference Design

The TIDA-00771 is a 20 A RMS drive for a three phase brushless DC (BLDC) motor in power tools operating from a 3-cell Li-ion battery with a voltage range of 5 V to 12.6 V. This design is a 45 x 50 mm compact drive implementing sensor-based trapezoidal control. The design uses a discrete: compact MOSFET-based three-phase inverter delivering 20 A RMS continuous (70 A peak for 1 second) winding…
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100V-450VDC: 5W: 80% Efficiency at 1W: Auxiliary Supply Reference Design for AC-DC Power Supplies

The TIDA-00708 is a 5-W multiple-output auxiliary power supply designed for use in power converters targeted for applications in industrial: server: telecom: and consumer systems. This reference design is a flyback converter implemented using the device UCC28881 that integrates the controller: 700-V power MOSFET: and internal current sense into one monolithic device. The design is simple: compact:…
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10s Battery Pack Monitoring: Balancing: and Comprehensive Protection. 50A Discharge Reference Design

The TI Design TIDA-00449 is a ready: tested hardware platform for 10 cells in series Battery Pack Monitoring: Balancing and Protection for Power Tools. Power Tools increasingly uses highly power dense Li-Ion or Li-Iron Phosphate cells based battery packs that need to be protected from explosion due to incorrect charging or discharging. The TIDA-00449 also achieves thermal requirements for power…
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10W Bias Supply for Brushless DC Applications with >75% Efficiency at Low Load Reference Design

The TIDA-00473 is a reference design of universal input: 10-W high efficiency: low cost power supply with three isolated outputs. This is a Constant-Voltage (CV) and Constant-Current (CC) flyback converter without Optical-Coupler and external MOSFET. The hardware is designed and tested to pass conducted emissions: surge: and EFT testing as per the EN55014 requirements for household appliances.…
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12- to 24-V: 27-A Brushed DC Motor Reference Design

Brushed motors are a relatively popular option for motor designs because of their low price and simple control scheme.  A brushed motor has a wire-wound rotor and permanent magnet stator.  The commutation of the motor is achieved using conductive rings that are connected to the rotor using brushes that scrape against the commutator rings.  This allows the direction of current through the motor…
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120V AC 200W: 90% Efficiency: Interleaved Flyback for Battery Charging Applications Reference Design

The TI Design TIDA-00200 proposes an interleaved flyback topology for battery charger applications that require an output power level of ~200W with a minimized bill of material. Besides the actual electronic components the efforts for cooling are a major contributor to the overall design cost. By taking advantage of the LM5032 High Voltage Dual Interleaved Current Mode Controller the design…
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12VDC Input: Hybrid Memory Cube (HMC) Gen. 2 Power Supply Reference Design

The PMP20080 is a powerful design intended to operate 5 output rails with application to a Hybrid Memory Cube (HMC) Gen2. This design uses 5 synchronous bucks with multiple different controllers to allow for a well regulated set of outputs. Also: PMP20080 allows for the configurability that comes along with PMBus. The PMP20080 reference design has been designed entirely with standard components.
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13.65V@1.5A 20W with UCC28610

This PMP5600 is a quasi-resonant isolated flyback: starting from high line and delivering 13.65V @ 1.5A. The converter reads" the mains frequency by means of capacitors and a small SOT-23 Mosfet. A short on a test point reduces the output voltage to 8.34V performing a battery test function"
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14-Channel Active Cell Balance Battery Management Reference Design

Active Balance chipset for use in large format Lithium-ion batteries that provides monitoring: balancing: and communications. With precise and robust active balancing: the Active Balance BMS is capable of bidirection power transfer at each cell. Each EM1401EVM can manage 6 to 14 cells (60V max) for Li-ion battery applications. The EM1401EVM modules can be stacked up to 1300V. The system provides…
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15 Cell Lithium Ion Battery Controller Analog Front End Reference Design

The TIDA00255 reference design utilizes the bq76940 analog front end (AFE) IC.  It measures cell voltages: and die temperature or external thermistor voltage using a 14 bit ADC.  Current is measured separately by a separate 16 bit coulomb counter.  The design can turn off low side power FETs to stop discharge or charge based on selected hardware limits.  A microcontroller not included in this…
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16-Bit 1-MSPS Data Acquisition Reference Design: Isolated for High-Voltage Common-Mode Rejection

The circuit represents a high-performance data acquisition (DAQ) solution suitable for processing input signals (up to ±12 V) superimposed on large common-mode offsets (tested up to 155 Vp-p from dc to approximately 15 kHz) relative to the ground potential of the system's main power supply. Common-mode rejection is achieved by generating an isolated power supply to allow the analog signal chain…
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16-button Inductive Keypad Reference Design Using the LDC1314 Inductance-to-Digital Converter

The LDC1314's unique inductive sensing capability is used to implement a contactless: 16 button: multi-function keypad. It uses standard PCB technology and easily manufactured components to implement a low cost solution.This reference design uses the LDC1314.  This reference design can also be used with LDC1312: LDC1612 and LDC1614.
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16-Cell EV/HEV Integrated Battery Monitor and Protector with Passive Balancing Reference Design

Stackable monitor and protector for use in large format Lithium-ion batteries that provides monitoring: balancing: and communications. Each bq76PL455A-Q1 EVM can manage 8 to 16 cells (12V min) for Li-ion battery applications. Up to 16 bq76PL455A-Q1 EVM modules can be stacked. The system provides fast cell balancing: diagnostics: and module to controller communication. Independent protection…
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16-Channel Active Cell Balance Reference Design

16-Cell EV/HEV High Current Active Balance Solution: using the latest automotive battery management monitor and protector: the bq76PL455A-Q1. It provides high-performance battery management solution for large capacity battery packs: by combining the high integration and accuracy of the bq76PL455A-Q1 with a bi-directional DC-DC cell balancer. This allows any of 16 cell inputs to be charged or…
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