ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet Member of the Family Features • RoHS lead free and lead-solder-exempt products are available • Wide input voltage range: 8V–14V • High continuous output current: 40A • Programmable output voltage range: 0.5V–3.65V • Efficiency up to 94% • Active digital current share • Single-wire serial communication bus for frequency synchronization, programming, and monitoring • Real time voltage, current, and temperature measurements, monitoring, and reporting • Optimal voltage positioning with programmable slope of the VI line Applications • Overcurrent, overvoltage, undervoltage, and • Low voltage, high density systems with overtemperature protections with programmable Intermediate Bus Architectures (IBA) thresholds and types • Point-of-load regulators for high performance • Programmable fixed switching frequency 0.5-1.0MHz DSP, FPGA, ASIC, and microprocessors • Programmable turn-on and turn-off delays • Desktops, servers, and portable computing • Programmable turn-on and turn-off voltage slew rates • Broadband, networking, optical, and with tracking protection communications systems • Programmable feedback loop compensation • Power Good signal with programmable limits Benefits • Programmable fault management • Integrates digital power conversion with • Start up into the load pre-biased up to 100% intelligent power management • Current sink capability • Eliminates the need for external power management components • Industry standard size through-hole single-in-line package: 1.8”x0.55” • Completely programmable via industry-standard 2 I C communication bus • Low height of 1.1” • One part that covers all applications • Wide operating temperature range: 0 to 70ºC • Reduces board space, system cost and • UL 60950-1/CSA 22.2 No. 60950-1-07 Second complexity, and time to market Edition, IEC 60950-1: 2005, and EN 60950-1:2006 Description Power-One’s point-of-load converters are recommended for use with regulated bus converters in an Intermediate Bus Architecture (IBA). The ZY8140 is an intelligent, fully programmable multiphase step-down point-of-load DC- DC module integrating digital power conversion and intelligent power management. When used with ZM7300 Series Digital Power Managers, the ZY8140 completely eliminates the need for external components for sequencing, tracking, protection, monitoring, and reporting. All parameters of the ZY8140 are programmable via 2 the industry-standard I C communication bus and can be changed by a user at any time during product development and service. Reference Documents: • ZM7300G Series Digital Power Manager. Data Sheet • ZM7300 Digital Power Manager Programming Manual • Power-One I2C Graphical User Interface Program 2 • ZM00056-KIT USB to I C Adapter Kit. User Manual ZD-01977 Rev. 1.4, 5-May-2011 www.power-one.com Page 1 of 29 ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet 1. Ordering Information ZY 81 40 y – zz RoHS compliance: 2 Product Series: Packaging Option : Output No suffix - RoHS compliant family: Z- Server Class R1 – 30 pc Tray 1 Current: with Pb solder exemption Dash One Intelligent POL Q1 – 1 pc sample for 40A G - RoHS compliant for all Module Converter evaluation only six substances ______________________________________ 1 The solder exemption refers to all the restricted materials except lead in solder. These materials are Cadmium (Cd), Hexavalent chromium (Cr6+), Mercury (Hg), Polybrominated biphenyls (PBB), Polybrominated diphenylethers (PBDE), and Lead (Pb) used anywhere except in solder. 2 Packaging option is used only for ordering and not included in the part number printed on the POL converter label. 3 Z-One evaluation board is available in only one configuration: ZM7300-KIT-HKS. Example: ZY8140G-R1: A 30-piece tray of RoHS compliant POL converters. Each POL converter is labeled ZY8140G. 2. Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long- term reliability, and cause permanent damage to the converter. Parameter Conditions/Description Min Max Units Operating Temperature Controller case temperature 0 105 °C Input Voltage 250ms Transient 15 VDC 3. Environmental and Mechanical Specifications Parameter Conditions/Description Min Nom Max Units Ambient Temperature Range 0 70 °C Storage Temperature (Ts) -55 125 °C Weight 15 grams Frequency Range 5 500 Hz Operating Vibration Magnitude 0.5 G (sinusoidal) Sweep Rate 1 oct/min Repetitions in each axis (Min-Max-Min Sweep) 2 sweeps Acceleration 50 G Non-Operating Shock Duration 11 ms (half sine) Number of shocks in each axis 10 MTBF Calculated Per Telcordia Technologies SR-332 23 MHrs Peak Reflow Temperature ZY8140 220 °C Peak Reflow Temperature ZY8140G 245 260 °C Lead Plating ZY8140 and ZY8140G 100% Matte Tin Moisture Sensitivity Level ZY8140 2 per JEDEC J-STD-020C ZY8140G 3 ZD-01977 Rev. 1.4, 5-May-2011 www.power-one.com Page 2 of 29 ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet 4. Electrical Specifications Specifications apply at the input voltage from 8V to 14V, output load from 0 to 40A, ambient temperature from 0°C to 70°C, 110µF ceramic output capacitance, and default performance parameters settings unless otherwise noted. 4.1 Input Specifications Parameter Conditions/Description Min Nom Max Units Input voltage (V ) Refer to Figure 1 8 14 VDC IN Input Current (at no load) VIN=12V 23 mADC Maximum Input Current V =8V, V =3.6V 19.7 ADC IN OUT 4.2 Output Specifications Parameter Conditions/Description Min Nom Max Units 1 Programmable 0.5 3.65 VDC Output Voltage Range (V ) OUT Default (no programming) 0.5 VDC V =12V, I =0.5*I , ±1.2% or 10mV whichever is IN OUT OUT MAX Output Voltage Setpoint Accuracy %V O.SET F =500kHz, room temperature greater SW 2 Output Current (I ) V to V -40 40 ADC OUT IN MIN IN MAX Line Regulation V to V ±0.5 %V IN MIN IN MAX OUT Load Regulation 0 to I ±0.5 %V OUT MAX OUT Dynamic Regulation 50% - 75% load step, Slew rate 1A/µs mV Peak Deviation C =330µF, F =1MHz 200 OUT SW Settling Time 25 µs to 10% of peak deviation Output Voltage Peak-to-Peak V =12V, V =0.75V 15 mV IN OUT Ripple and Noise V =12V, V =1.0V 20 mV IN OUT BW=20MHz V =12V, V =2.5V 25 mV IN OUT Full Load V =12V, V =3.3V 30 mV IN OUT V =12V, V =0.5V 75.3 % IN OUT V =12V, V =0.75V 81.9 % IN OUT Efficiency V =12V, V =1.0V 85.3 % IN OUT F =500kHz SW V =12V, V =1.2V 87 % IN OUT Full Load V =12V, V =1.8V 90.2 % IN OUT Room temperature V =12V, V =2.5V 92.1 % IN OUT V =12V, V =3.3V 93.5 % IN OUT Temperature Coefficient V =12V, V =2.5V, I =0.5*I 35 ppm/°C IN OUT OUT OUT MAX Switching Frequency Default 500 kHz (3 phases combined) Programmable, 250kHz steps 500 1,000 kHz Default 50 % Duty Cycle Programmable, 0.5% steps 0 50 % 1 ZY8140 is a step-down converter, thus the output voltage is always lower than the input voltage as show in Figure 1. 2 At the negative output current (bus terminator mode) efficiency of the ZY8140 degrades resulting in increased internal power dissipation. Therefore maximum allowable negative current under specific conditions is 20% lower than the current determined from the derating curves shown in paragraph 5.5. ZD-01977 Rev. 1.4, 5-May-2011 www.power-one.com Page 3 of 29 ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet Figure 1. Output Voltage as a Function of Input Voltage 4.3 Protection Specifications Parameter Conditions/Description Min Nom Max Units Output Overcurrent Protection Default Non-Latching, 130ms period Type Programmable Latching/Non-Latching Default 140 %I OUT Threshold Programmable in 11 steps 40 140 %I OUT Threshold Accuracy -25 25 %I OCP.SET Output Overvoltage Protection Default Non-Latching, 130ms period Type Programmable Latching/Non-Latching Default 130 %V O.SET Threshold 1 Programmable in 10% steps 110 130 %V O.SET Threshold Accuracy Measured at V =2.5V -2 2 %V O.SET OVP.SET From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated ZD-01977 Rev. 1.4, 5-May-2011 www.power-one.com Page 4 of 29 ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet Output Undervoltage Protection Default Non-Latching, 130ms period Type Programmable Latching/Non-Latching Default 75 %V O.SET Threshold Programmable in 5% steps 75 90 %V O.SET Threshold Accuracy Measured at V =2.5V -2 2 %V O.SET UVP.SET From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated Overtemperature Protection Default Non-Latching, 130ms period Type Programmable Latching/Non-Latching Turn Off Threshold Temperature is increasing 120 °C Temperature is decreasing after the module was Turn On Threshold 110 °C shut down by OTP Threshold Accuracy -5 5 °C From instant when the controller junction Delay temperature reaches the OTP threshold until the 2 ms turn-off command is generated Tracking Protection (when Enabled) Default Disabled Type Programmable Latching/Non-Latching, 130ms period Threshold Enabled during output voltage ramping up ±250 mVDC Threshold Accuracy -50 50 mVDC From instant when threshold is exceeded until Delay 6 μs the turn-off command is generated Overtemperature Warning Threshold Always enabled, reported in Status register 120 °C Threshold Accuracy -5 5 °C Hysteresis 3 °C From instant when threshold is exceeded until Delay 6 μs the warning signal is generated Power Good Signal (PGOOD pin) V is inside the PG window High OUT Logic N/A V is outside the PG window Low OUT Default 90 %V O.SET Lower Threshold Programmable in 5% steps 90 95 %V O.SET Upper Threshold 110 %V O.SET From instant when threshold is exceeded until Delay 6 μs status of PG signal changes Threshold Accuracy Measured at V =2.5V -2 2 %V O.SET O.SET ___________________ 1 Minimum OVP threshold is 1.0V ZD-01977 Rev. 1.4, 5-May-2011 www.power-one.com Page 5 of 29 ZY8140 40A DC-DC Intelligent POL 8V to 14V Input • 0.5V to 3.65V Output Data Sheet 4.4 Feature Specifications Parameter Conditions/Description Min Nom Max Units Current Share Type Active, Single Line Current Share Accuracy I ≥20%*I ±20 %I OUT MIN OUT NOM OUT Interleave Default 0 Degree Interleave (Phase Shift) 0 348.75 degree Programmable in 11.25° steps Sequencing Default 0 ms Turn ON Delay Programmable in 1ms steps 0 255 ms Default 0 ms Turn OFF Delay Programmable in 1ms steps 0 63 ms Tracking Default 0.1 V/ms Turn ON Slew Rate 1 Programmable in 7 steps 0.1 8.33 V/ms Default -0.1 V/ms Turn OFF Slew Rate 1 Programmable in 7 steps -0.1 -8.33 V/ms Optimal Voltage Positioning Default 0 mV/A Load Regulation Programmable in 7 steps 0 3.02 mV/A Feedback Loop Compensation Zero1 (Effects phase lead and Programmable 0.05 50 kHz increases gain in mid-band) Zero 2 (Effects phase lead and Programmable 0.05 50 kHz increases gain in mid-band) Pole 1 (Integrator Pole, effects Programmable 0.05 50 kHz loop gain) Pole 2 (Effects phase lag and Programmable 1 1000 kHz limits gain in mid-band) Pole 3 (High frequency low- pass Programmable 1 1000 kHz filter to limit PWM noise) Monitoring -1%V 1%V OUT OUT Voltage Monitoring Accuracy 1 LSB=22mV mV – 1 LSB + 1 LSB Current Monitoring Accuracy 30%I