DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer General Description Features The AAT351x PowerManager products are members of Skyworks' Total Power Management IC (TPMIC™) product family. This family of microprocessor reset circuits provides the ultimate in versatility, allowing system designers full customization of the µP monitor and reset function without any additional components. The AAT351x family offers several combinations of threshold voltage, watchdog timeout period, reset active period, and output drive configurations, which are all factory-programmed options. All devices are available in 32 reset threshold voltages from 2.6V up to 5V, with three watchdog timeout periods from 6.3ms to 1600ms and three reset timeouts from 1ms up to 140ms. Available output configurations are active low push-pull, active low open drain, active low bi-directional, and active high push-pull. • Tight Voltage Tolerance: ±1.5% • Low Quiescent Current: 5µA • Guaranteed Reset Valid Down to 1V • 32 Voltage Options from 2.6V to 5.0V • Three Reset Active Period Options: ▪ 1ms, 20ms, 140ms • Three Watchdog Timeout Period Options: ▪ 6.3ms, 102ms, 1600ms • Four Output Options: ▪ Open Drain ▪Inverting ▪Non-Inverting ▪Bi-Directional • Low Temperature Coefficient: 100ppm/°C • 5-Pin SOT23 Package The AAT351x family is designed to ignore fast negative transients on VDD and to ensure that reset outputs remain valid down to 1V. Applications The AAT351x family is available in the Pb-free, spacesaving 5-pin SOT23 surface mount package and is specified over the -40 to +85°C temperature range. • Critical µP and µC Supply Monitoring • Embedded Control Systems • Industrial Controllers • Intelligent Instruments • Notebook Computers • Portable Electronics • Power-On Reset Circuits Typical Application V DD VDD VCC RESET (RESET) RESET INPUT µP AAT351x WDI I/O LINE GND Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 1 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Pin Descriptions Pin Number AAT3510 AAT3517 AAT3515 AAT3518 Symbol 1 1 1 RESET 2 2 2 GND N/A 3 3 RESET 3 4 N/A MR 4 N/A 4 WDI 5 5 5 VCC Function AAT3510/15: RESET output goes low whenever VDD falls below the reset threshold. CMOS push-pull output. AAT3517: RESET output goes low whenever VDD falls below the reset threshold. Open drain output. Connect a pull-up resistor to any supply voltage up to 5.5V. AAT3518: RESET output goes low whenever VDD falls below the reset threshold. Open drain output. Connect a pull-up resistor to any supply voltage up to 5.5V. Ground connection pin. RESET active-high output. This CMOS push-pull signal is the logical inverse of RESET. Manual reset input pin. Active low. Pull low to force a reset. Watchdog input pin. Triggers a reset if it remains in a steady state for the duration of the watchdog timer period. Input voltage pin. Pin Configuration 5-lead SOT23 (Top View) RESET 1 GND 2 MR 3 5 VCC 4 WDI AAT3510 AAT3517 5-lead SOT23 (Top View) RESET 1 GND 2 RESET 3 5 4 AAT3515 2 5-lead SOT23 (Top View) VCC MR RESET 1 GND 2 RESET 3 5 VCC 4 WDI AAT3518 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Absolute Maximum Ratings1 TA = 25°C, unless otherwise noted. Symbol Description VCC VMR, VWDI VCC to GND MR, WDI to GND RESET to GND (Push-Pull or Bidirectional Output) RESET to GND (Open Drain Output) Maximum Continuous Input Current RESET/RESET Output Current Rate of Rise of VCC Operating Junction Temperature Range (-40°C to +150°C) VRESET IVCC, IMR, IWDI IRESET dVCC/dt TJ Max Units -0.3 to 6 -0.3 to VCC + 0.3 V -0.3 to 6 20 mA 100 150 V/µs °C Value Units 190 526 °C/W mW Thermal Information2 Symbol QJA PD Description Maximum Thermal Resistance Maximum Power Dissipation 1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions specified is not implied. 2. Mounted on an FR4 board. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 3 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Electrical Characteristics VCC = 2.5V to 5.5V, TA = -40°C to +85°C1, unless otherwise noted. Typical values are at TA = 25°C. Symbol VCC Description Conditions Operating Voltage Range TA = -40°C to +85°C AAT3510/7/8: MR & WDI Unconnected ICC Supply Current VTH Reset Threshold Voltage TC Reference Voltage Temperature Coefficient AAT3515: MR Unconnected TA = 25°C TA = -40 to +85°C Reset Active Timeout Period Typ 1 VCC VCC VCC VCC = = = = 3.6V 5.5V 3.6V 5.5V 5 6 VTHNOM 1.5% VTHNOM 2.5% -40°C < TA < +85°C AAT351xIGV-xx-B-x-T1 AAT351xIGV-xx-C-x-T1 TRD VCC to RESET Delay VCC Falling at 1mV/µs Push/Pull RESET Output (AAT3510, 3515, 3518) VCC ≥ 1.0V, ISINK = 50µA VCC ≥ 1.2V, ISINK = 100µA VOL RESET Low Output Voltage VCC ≥ 2.7V, ISINK = 1.2mA VCC ≥ 4.5V, ISINK = 3.2mA VCC ≥ 2.7V, ISOURCE = 500µA VOH RESET High Output Voltage VCC ≥ 4.5V, ISOURCE = 800µA VCC ≥ 2.7V, ISINK = 1.2mA RESET Low Output Voltage VCC ≥ 4.5V, ISINK = 3.2mA VOH VCC ≥ 1.8V, ISOURCE = 150µA RESET High Output Voltage VCC ≥ 2.7V, ISOURCE = 500µA VCC ≥ 4.5V, ISOURCE = 800µA tRP Min VTH Max Units 5.5 15 18 15 18 V VTHNOM + 1.5% VTHNOM + 2.5% ±40 20 140 28 200 40 V ppm/°C 40 280 ms µs 0.3 0.4 0.8 x VCC VCC - 1.5 V 0.3 0.4 0.8 x VCC VCC - 1.5 1. Over-temperature limits are guaranteed by design, not production tested. 4 µA Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Electrical Characteristics VCC = 2.5V to 5.5V, TA = -40°C to +85ºC1, unless otherwise noted. Typical values are at TA = 25°C. Symbol Description Conditions Min Typ Max Units Open-Drain RESET Output (AAT3517, 3518) VOL RESET Low Output Voltage VCC VCC VCC VCC ≥ ≥ ≥ ≥ 1.0V, 1.2V, 2.7V, 4.5V, ISINK ISINK ISINK ISINK = = = = 50µA 100µA 1.2mA 3.2mA 0.3 0.4 1.0 ID(OFF) Reset Leakage Current Watchdog Input (AAT3510, 3517, 3518) tWD Watchdog Timeout Period tWDI VIL VIH WDI Minimum Pulse Width IWDI WDI Input Current AAT351xIGV-xx-x-B-T1 AAT351xIGV-xx-x-C-T12 VIL = 0.3 x VCC, VIH = 0.7 x VCC Manual RESET Input (3515) VIL MR Input Threshold MR Input Threshold MR Input Pulse Width MR Glitch Rejection VIH MR Internal Pull-Up Resistance MR to Reset Delay 102 1.6 50 µA 153 2.4 ms s ns 0.8 x VCC 160 V 0.3 x VCC WDI Input Threshold3 4 71 1.12 V WDI = VCC, Time Average VWDI = 0, Time Average -20 120 -15 µA 0.3 x VCC 0.7 x VCC 1 TA = 25°C VCC = 5V 35 100 52 230 75 V µs ns kW ns 1. Over-temperature limits are guaranteed by design, not production tested. 2. Watchdog timeout period C is not available on AAT3518. 3. WDI is internally serviced within the watchdog period if WDI is left unconnected. 4. The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is designed for a three-stated-output device with a 10µA maximum leakage current and capable of driving a maximum capacitive load of 200pF. The three-state device must be able to source and sink at least 200µA when active. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 5 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Typical Characteristics Unless otherwise noted, VIN = 3V, TA = 25°C. Supply Current vs. Temperature VCC Falling to RESET Propagation Delay vs. Temperature 10 Propagation Delay (µs) Supply Current (µA) 9 VCC = 5V 8 7 6 VCC = 3V 5 4 3 2 VCC = 1V 1 0 -40 -20 0 20 40 60 80 160 140 100 100 Temperature (°C) VCC Falling at 1mV/µs V RST - VCC = 100mV 120 80 60 40 20 0 -40 Normalized Timeout Period Propagation Delay (ns) V CC = 5V 400 350 300 250 200 -20 0 20 40 60 80 100 Temperature (°C) 1.05 1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 -40 80 -20 0 20 40 60 80 Maximum VCC Transient Duration vs. Reset Threshold Overdrive Transient Duration (µs) Normalized Timeout Period 60 80 70 60 50 40 V RST = 2.63V 30 20 10 0 -20 0 20 40 Temperature (°C) 6 40 Temperature (°C) Normalized Watchdog Timeout Period vs. Temperature 1.05 1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 -40 20 60 80 100 Normalized Reset Timeout Period vs. Temperature 500 -40 0 Temperature (°C) Manual Reset to RESET Propagation Delay vs. Temperature 450 -20 100 10 100 1000 Reset Threshold Overdrive (mV) VRST - VCC Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 100 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Typical Characteristics Unless otherwise noted, VIN = 3V, TA = 25°C. Bidirectional Pullup Characteristic +5V PASSIVE 4.7kΩ PULLUP 2V/div RESET, ACTIVE PULLUP 2V/div 74HC05 4.7k INPUT 100pF +5V 74HC05 RESET INPUT 100pF RESET, INPUT 5V/div Time (200ns/div) VCC MR GND Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 7 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Functional Block Diagram VCC Reset Generator VCC RESET3 RESET4 VREF MR1 WDI2 Watchdog Timer Detector Watchdog Timer GND 1. 2. 3. 4. 8 MR pin available on AAT3510/5/7. WDI pin avaliable on AAT3510/7/8. RESET pin available on AAT3510/5/7/8. RESET pin available on AAT3515/8. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Factory-Trimmed Reset Thresholds1 and Ordering Information AAT351x IGV - X.XX-X- X-T1 Watchdog Timeout (if applicable) Reset Active Period Threshold Voltage Reset Active Period A: TR(MIN) = 1ms B: TR(MIN) = 20ms C: TR(MIN) = 140ms Watchdog Timeout Period A: TWD(NOM) = 6.3ms B: TWD(NOM) = 102ms C: TWD(NOM) = 1600ms1 VDD Threshold Voltage 2.63: 2.70: 2.80: 2.93: 3.00: 3.08: 3.20: 3.30: 3.40: 3.50: 3.60: 3.70: 3.80: VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) = = = = = = = = = = = = = 2.63V 2.7V 2.8V 2.93V 3.0V 3.08V 3.2V 3.3V 3.4V 3.5V 3.6V 3.7V 3.8V 3.90: 4.00: 4.10: 4.20: 4.38: 4.40: 4.50: 4.63: 4.70: 4.80: 4.90: 5.00: VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) VTH(NOM) = = = = = = = = = = = = 3.9V 4.0V 4.1V 4.2V 4.3V 4.38V 4.5V 4.63V 4.7V 4.8V 4.9V 5.0V 1. Watchdog timeout period C is not available on AAT3518. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 9 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Ordering Information Package Marking1 Part Number (Tape and Reel)2 SOT23-5 HVXYY HUXYY HGXYY HHXYY HEXYY HIXYY KLXYY JNXYY KMXYY MFXYY INXYY LZXYY IQXYY P9XYY AAT3510IGV-2.63-C-C-T1 AAT3510IGV-2.93-C-C-T1 AAT3510IGV-3.08-C-C-T1 AAT3510IGV-4.38-C-C-T1 AAT3515IGV-2.63-C-T1 AAT3515IGV-2.93-B-T1 AAT3515IGV-2.93-C-T1 AAT3515IGV-3.08-C-T1 AAT3515IGV-4.38-C-T1 AAT3515IGV-4.63-C-T1 AAT3517IGV-2.63-C-C-T1 AAT3517IGV-2.8-B-C-T1 AAT3517IGV-2.93-C-C-T1 AAT3518IGV-3.00-B-B-T1 Skyworks Green™ products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of Green™, document number SQ04-0074. Package Information SOT23-5 2.85 ± 0.15 1.90 BSC 0.40 ± 0.10 0.075 ± 0.075 0.15 ± 0.07 4° ± 4° 10° ± 5° 1.10 ± 0.20 0.60 REF 1.20 ± 0.25 2.80 ± 0.20 1.575 ± 0.125 0.95 BSC 0.60 REF 0.45 ± 0.15 GAUGE PLANE 0.10 BSC All dimensions in millimeters. 1. XYY = date and assembly code. 2. Sample stock is generally held on part numbers listed in BOLD. 10 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 DATA SHEET AAT3510/3515/3517/3518 Micropower µP Reset with Watchdog Timer Copyright © 2012 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. 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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 202243A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 8, 2012 11