MAX5970ETX+ Maxim Integrated Products, MAX5970ETX+ Datasheet
MAX5970ETX+
Specifications of MAX5970ETX+
Related parts for MAX5970ETX+
MAX5970ETX+ Summary of contents
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... Small 6mm x 6mm, 36-Pin TQFN-EP Package S Applications Single PCI Express Hot-Plug Slot M Blade Servers Disk Drives/DASD/Storage Systems Soft-Switch for ASICs, FPGAs, and Microcontrollers with Independent Core and I/O Voltages Ordering Information PART TEMP RANGE MAX5970ETX+ -40NC to +85NC +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. Features PIN-PACKAGE 36 TQFN-EP* ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers ABSOLUTE MAXIMUM RATINGS IN, SENSE_, MON_, GATE_ to AGND ..................-0.3V to +30V LED_ to AGND ......................................................-0.3V to +16V ON_, SDA, SCL to AGND ........................................-0.3V ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers ELECTRICAL CHARACTERISTICS (continued 2.7V to 16V -40NC to +85NC, unless otherwise noted. Typical values are PARAMETER ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers ELECTRICAL CHARACTERISTICS (continued 2.7V to 16V -40NC to +85NC, unless otherwise noted. Typical values are PARAMETER ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers ELECTRICAL CHARACTERISTICS (continued 2.7V to 16V -40NC to +85NC, unless otherwise noted. Typical values are PARAMETER ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers (V = 3.3V +25NC, unless otherwise noted GATE_ DRIVE VOLTAGE vs 5.10 5. 3.3V MON_ 5.00 ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers (V = 3.3V +25NC, unless otherwise noted TURN-OFF WAVEFORM (FAST COMPARATOR FAULT/SHORT-CIRCUIT RESPONSE) MAX5970 toc12 I LOAD 5A/div V GATE_ ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers PIN NAME Channel 2 Three-State Current-Sense Range Selection Input. Set the circuit-breaker threshold range by 1 IRNG2 connecting to DGND, DREG, or leave unconnected. ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers PIN NAME 14 LED1 LED Driver 1 15 LED2 LED Driver 2 Polarity Select Input. Connect to DREG for active-high power-good outputs (PG_). Connect ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers V V IN1 R1 ON1 ON1 R2 ON1 GATE1 Q1 V+ SENSE1 R SENSE1 MON1 LED2 LED1 LOAD LED1 LED2 GND1 ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers MAX5970 FROM CONFIGURATION ATTENUATOR REGISTERS 2 IRNG_ DAC SELECT REF 2 SENSE_ CS AMP MON_ 2 CHARGE VOLTAGE PUMP SCALING 2MHz 5 µ A ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Detailed Description The MAX5970 includes a set of registers that are 2 accessed through the I C interface. Some of the registers Table 1a. ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 1a. Register Address Map (Channel Specific) (continued) REGISTER High 8 bits ([9:2]) of overvoltage critical ov2thr_chx_msb (OV2) threshold Low 2 bits ([1:0]) of ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 1b. Register Address Map (General) (continued) REGISTER LED_Flash LED flash/GPIO enable register LED_ph_pu LED phase/weak pullup enable register LED_state LED pins voltage state ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 4a. status1 Register Function REGISTER BIT ADDRESS RANGE ON_ Inputs State 1 = ON_ above 600mV channel enable threshold [1: ON_ ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers ON_ EN1_BIT EN2_BIT ANALOG SLOW_TRIP ANALOG FAST_TRIP UV/OV CRITICAL PROT Figure 1. Channel On-Off Control Logic Functional Schematic To determine the output dV/dt during ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 5a. ifast2slow Register Format Description: Current threshold fast to slow setting bits Register Title: ifast2slow Register Address: 0x30 R/W R/W R/W — — ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers The MAX5970 provides a great deal of system flexibil- ity because the current-sense range, DAC setting, and threshold ratio can be changed on the ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers V > 2. CONTINUOUSLY SAMPLE VOLTAGE AND CURRENT, UPDATE MIN-MAX VALUES, 2 HANDLE I C COMMUNICATIONS, STORE SAMPLES TO CIRCULAR BUFFERS... CIRCUIT-BREAKER ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 8. dac_chx Register Format Description: Fast-comparator threshold DAC setting Register Title: dac_ch0 Register Addresses: 0x2E R/W R/W R/W DAC[7] DAC[6] DAC[5] bit 7 ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Once the PG_ output is asserted, the most recent cur- rent samples are continuously compared to the pro- grammable overcurrent warning register values. If ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 14. ADC Minimum Current Conversion Register Format (Low-Order Bits) Description: Minimum current conversion result low-order bits [1:0] Register Title: min_ch0_cs_ lsb Register Addresses: ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Digital Voltage Monitoring and Power-Good Outputs The voltage at the load (MON_ inputs) is sampled by the internal ADC. The MON_ full-scale voltage for ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Digital Undervoltage and Overvoltage Detection Thresholds The most recent voltage values are continuously com- pared to four programmable limits, comprising two Table 21. Undervoltage ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 25. Overvoltage Warning Threshold Register Format (High-Order Bits) Description: Overvoltage warning threshold high-order bits [9:2] Register Title: ov1thr_ch0_msb Register Addresses: 0x1E R/W R/W ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers If PG_ is asserted and the voltage is outside the warning limits, the ALERT output is asserted low. Depending on the status of the ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Power-Good Detection and PG_ Outputs The PG_ output for a given channel is asserted when the voltage at MON_ is between the undervoltage and ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Minimum and Maximum Value Detection for Voltage Measurement Values All voltage measurement values are compared with the contents of minimum- and maximum-value registers, and ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 35. ADC Maximum Voltage Conversion Register Format (Low-Order Bits) Description: Maximum voltage conversion result, low-order bits [1:0] Register Title: max_ch0_mon_lsb Register Addresses: 0x0F ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Deglitching of Digital Comparators The five digital comparators per hot-swap channel (undervoltage/overvoltage warning and critical, over- current warning) all have a user-selectable deglitching feature ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers The MAX5970 features four 10-bit “circular buffers” (in volatile memory) that contain a history of the 50 most- recent voltage and current digital conversion ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers If the circular buffer contents are retrieved as 10-bit data, the first byte read out is the high-order 8 bits of the 10-bit sample, ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Force-On Function When the force-on bit for a channel is set register foset[1:0] (see Table 45), the channel is enabled regard- ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 48. Overvoltage Status Register Format Overvoltage digital-compare status register (warning [1:0] and critical [5:4] overvoltage event Description: detection status) Register Title: fault1 Register ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers IFAULTSx indicates the overcurrent status from slow comparator. IFAULTFx indicates overcurrent status from fast comparator. The status of FAULT_ reflects the NOR operation of ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Table 53 shows LED State register. The LED State regis- ter is a read-only register. When the LEDs are disabled, the pins are configured ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers The 2-wire communication is fully compatible with exist- ing 2-wire serial interface systems; Figure 4 shows the interface timing diagram. The MAX5970 is a ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers START and STOP Conditions Both SCL and SDA idle high when the bus is not busy. A master device signals the beginning of a ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers Early STOP Conditions The MAX5970 recognizes a STOP condition at any point during transmission except if a STOP condition occurs in the same high ...
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Dual Hot-Swap Controller with 10-Bit Current and Voltage Monitor and 4 LED Drivers The send byte protocol allows the master device to send one byte of data to the slave device (see Figure 9). The send byte ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...