NXP RTC PCA85063 PCA8565 PCA21125 PCA2129 Cortex-M0 MCUsfor with lowest active Real-time clocks automotive power and superior code density applications In automotive applications, exposure to extreme temperatures presents a serious challenge to accurate timing. NXP has the solution. PCA85063A NEW } -40 to +105 °C } Interface: I2C-bus, 400 kHz } Low power consumption < 300 nA } For dashboards and infotainment systems } For accurate and consistent timing PCA21125 } -40 to +125 °C } SPI-bus, 6 MHz } For battery management } For engine and motor control } For critical applications PCA8565 } -40 to +125 °C } Interface: I2C-bus, 400 kHz } For battery management } For engine and motor control } For critical applications PCA2129 } -40 to +125 °C } I²C-bus, 400 kHz & SPI-bus, 6.5 MHz } For dashboards and infotainment systems } High timing accuracy via temperature-compensated oscillator } All clocks are exact and synchronous Application Dasboard / PCA85063 PCA8565 PCA21125 PCA2129T Ideal fit Good fit Good fit Ideal fit Good fit Ideal fit Ideal fit Good fit System timing Ideal fit Ideal fit Ideal fit Ideal fit Accurate time distribution Good fit -40 to +105 °C -40 to +125 °C -40 to +125 °C -40 to +85 °C 2 1 1 3 infotainment Battery charging Temperature range AEC-Q100 grade Ideal fit PCA2129 block diagram Our real-time clocks (RTCs) offer superior performance in critical automotive applications } Consistent timing } Independent timer } Independent watchdog function for system supervision } Periodic interrupts to initiate processes } Alarm function with interrupt } Complete date and time from seconds to years } Time-stamping events, independent of microcontroller } Timing under severe conditions, e.g. up to +125 °C } Electric tuning, with no external capacitors needed for PCA85063 and PCA2129 } Highly accurate and uninterrupted time tracking using temperature-compensated quartz oscillator and battery backup system } Oscillator optimized for quartz crystals in automotive-grade ceramic package } Interfaces to I2C and/or SPI bus OM13513 evaluation board for PCA2129T OM13515 evaluation board for PCA85063 Automotive RTC selection guide Product number PCA85063AT PCA8565TS PCA21125TS PCA2129T I C-bus I C-bus SPI SPI, I²C-bus -40 to +105 °C -40 to +125 °C -40 to +125 °C -40 to +85 °C Special feature Low power Very wide temperature range Very wide temperature range High timing accuracy Demo board* OM13515 User manual UM10788 Interface Temperature range Package 2 TSSOP8 2 OM13513 UM10762 TSSOP8 TSSOP14 SO161 * The I²C-bus demo boards are supported by the I²C-bus USB dongle OM13518 (User Manual UM10789) www.nxp.com © 2015 NXP Semiconductors N.V. All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. Date of release: May 2015 The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable Document order number : 9397 750 17665 and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication Printed in the Netherlands thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.