Texas Instruments Incorporated · NASDAQ:TXN
Texas Instruments — Technical Presentation
15 slides from Texas Instruments's technical presentation
Slide 1: New Product Update
New Product Update Enabling next generation automotive power distribution and electrification with TI's latest high side switch controllers Diego Cortes Product Marketing Engineer Surya Mishra Systems Engineer
Slide 2: Agenda
Agenda • Introduction to emerging automotive architectures – Zonal & 48 V • Key power blocks – Typical power architecture | BMS, PDU/Zonal, DC/DC • HSS controllers overview – Detailed product comparison – Roadmap 2
Slide 3: Zone Based Architecture
Zone Based Architecture ZoneDarchitecture omain Based Architecture vehicle diagram Domain architecture 1st gen zonal architecture Zone ADASdomain Controller Digital Cockpit controller Central Compute (IVI) Controller ADAS IVI Gateway Power Fuse box/ Distribution Box Pre-fuse box Central Vehicle Vehi
Slide 4: 48V motivation
Length – 5ft Length – 12ft 48V motivation Gauge – 4AWG Gauge – 10AWG Weight – 0.63lbs Weight – 0.38lbs Cost – $1.90/ft Cost – $0.48/ft Zone Control 12V Window Motor 36W dissipated Module 240W, 20A • Why? Primarily to reduce wiring harness 7.2W dissipated 1200W, 100A size, weight, and cost Length – 5
Slide 5: 48V power architecture: Mixed 12V/48V
48V power architecture: Mixed 12V/48V Legend DC/DC converter Zonal distribution HSS controller DC 48V DC 12V 12-V integrated HSS DC DC Actuators 48-V integrated HSS HV ECU battery 48V PDU Actuators Front window Chassis heating ground Actuators eCat heater Actuators Zone power Zone 1 48V Li-ion EPS o
Slide 6: Typical power architecture | BMS, PDU/Zonal, DC/DC
Typical power architecture | BMS, PDU/Zonal, DC/DC DC/DC converter Zonal controllers 12V PDU CB switch 48V 12V CB switch Zone1 DC DC_DC ECU mF DC HSSC HSSC HSSC HSSC HSSC HSSC Divert/balancer 48V BMS 12V BMS switch Actuators BATT HSSC Front window heating HSSC HSSC HSSC HSSC HSSC Zone2 Battery disco
Slide 7: BMS disconnect switch key challenges
BMS disconnect switch key challenges d RShunt 1 DSG CHG c Battery Plus + BMS circuit breaker key considerations: a G1 SRC G2 • Back to back switches to interrupt current from and to the cells – HSS Controller INP_G1 INP_G2 VBatt Current Sense 1 Coulomb Cnt OC1 OC2 SBC PMIC Need separate CHG and DSG
Slide 8: FET diagnosis – System architecture
FET diagnosis – System architecture PATH_N • In order to allow a self diagnosis of the MOSFET disconnect switch two or more parallel paths shall be implemented DIAG_1 R2 R3 Q1 Q2 PATH_1 R1 CBS T • By this means one of the paths can be opened and the ISCP G1PU G1PD SRC BST VS G2 VCC functionality of
Slide 9: Power distribution/Zone circuit breaker key challenges
Power distribution/Zone circuit breaker key challenges Zonal controllers 12V PDU Zone1 DC_DC ECU Programmable I2t curve and current limit Reduce MCU overhead with embedded I2t mF HSSC HSSC HSSC Wire protection HSSC Divert/balancer switch Manage capacitive load peak current Actuators BATT HSSC
Slide 10: DC/DC circuit breaker key challenges
DC/DC circuit breaker key challenges DC/DC circuit breaker key considerations: • Back to back switches to interrupt current from and to DC/DC converter 12V and 48V BMS CB switch 48V 12V CB switch DC • Integrated overvoltage protection for safe DC operation HSSC HSSC • High current (~150A, 1kA peak)
Slide 11: High side switch controllers | Main features
High side switch controllers | Main features Strong & dual Low power I2T SPI ASIL-B gate drive mode & low IQ compliant • Efficient, fast, & • External power • Accurate & • Multi-device • Qualifies reliable path allowing adjustable serial systems for switching minimum power current limit communicatio
Slide 12: High Side Switch Controller | Current Portfolio
High Side Switch Controller | Current Portfolio High side switch Controller Portfolio TPS1211-Q1 TPS1200-Q1 TPS1210-Q1 TPS1213-Q1 TPS4816-Q1 TPS1214-Q1 TPS1212-Q1 TPS4811-Q1 TPS4800-Q1 TPS4810-Q1 TPS4813-Q1 TPS4812-Q1 Voltage range 3.5 – 40V, 3.5 – 40V, 3.5 – 40V, 3.5 – 40V, 3.5 - 95V, 3.5 - 73V, 3.
Slide 13: Roadmap | HSS Controllers
Roadmap | HSS Controllers Status TPS4810-Q1 TPS4813-Q1 Production 3.5V to 80V, 100V absmax, 3.5V to 80V, 100V absmax, RPP, RPP, 2A Dual driver, 35µA IQ, LPM (35µA IQ), LWU, Cap Preview HSSC for 48V SCP,UVLO charging, SCP,UVLO TPS4811x-Q1 (Samples – Now, RTM – 4Q24) (Samples – Now, RTM – 4Q24) TPS481
Slide 14: Getting started
Getting started You can start evaluating this device leveraging the following: Content type Content title Link to content or more details Product folder High side switch controller overview https://www.ti.com/power-management/power-switches/high-side-s witch-controllers/overview.html Reference Smart
Slide 15: Visit www.ti.com/npu
Visit www.ti.com/npu For more information on the New Product Update series, calendar and archived recordings 15