Evaluation Board User Guide UG-174 One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com Evaluation Kit for the ADM2914 and the ADM12914 When monitoring negative supplies, it has a 1 V buffered reference output that can be used. The tristate SEL pin is used to configure the polarity of the third and fourth inputs that determine if they are used for monitoring positive or negative supplies. FEATURES Input voltage of 8 V to 20 V 6 adjustable input voltages including 2 negative Full features evaluated on a single board LED indicated voltage and output status Configurations can be easily adjusted with bare hands Development area allows custom add-on circuits Test points for easy probing The ADM2914 and ADM12914 are available in two models: the ADM2914-1/ADM12914-1 and the ADM2914-2/ADM12914-2. • • PACKAGE CONTENTS EVAL-ADM2914EBZ evaluation board GENERAL DESCRIPTION The ADM2914/ADM12914 are quad voltage monitoring devices designed to simultaneously monitor undervoltage and overvoltage conditions on up to four supply rails. There are four undervoltage and four overvoltage comparators integrated internally to provide common UV and OV output signals. This device integrates the required comparators and digital gating necessary to achieve single common UV and OV reset signals. Each input is compared with a 0.5 V reference. Users can program the monitoring voltage level through the external voltage dividers. PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS. The ADM2914-1/ADM12914-1 offer a latching OV output that can be cleared by toggling the LATCH input pin. The ADM2914-2/ADM12914-2 have a disable pin that is used as an override to disable both outputs signals. An internal shunt regulator enables the ADM2914/ADM12914 devices to be used on higher voltage systems. However, this requires a resistor to be placed between the main supply rail and the VCC pin to limit the current flow into the VCC pin to no greater than 10 mA. This evaluation board is designed to fully evaluate the features of the ADM2914 and the ADM12914, including supply monitoring for both positive and negative rails, monitoring polarity selection, timer function, and LATCH/DIS functions. Rev. 0 | Page 1 of 12 UG-174 Evaluation Board User Guide TABLE OF CONTENTS Features .............................................................................................. 1 Evaluation Board Overview .............................................................5 Package Contents .............................................................................. 1 Evaluation Board Schematics...........................................................6 General Description ......................................................................... 1 Ordering Information .................................................................... 10 Revision History ............................................................................... 2 Bill of Materials ........................................................................... 10 Evaluation Board Hardware ............................................................ 3 Switch, Jumper, LED, and Connector Functions ..................... 3 REVISION HISTORY 6/10—Revision 0: Initial Version Rev. 0 | Page 2 of 12 Evaluation Board User Guide UG-174 EVALUATION BOARD HARDWARE SWITCH, JUMPER, LED, AND CONNECTOR FUNCTIONS Table 1. Switch Functions Switch S1 S2 ADM2914-1 ADM2914-2 S3 S3-1 S3-2 S3-3 S3-4 S4 S5 Description Input polarity selection switch. 6V2 = all inputs positive. N/C = V1 to V3 positive and V4 negative. GND = V1 and V2 positive, and V3 and V4 negative. LATCH/DIS control switch. 6V2 = OV output not latched/clear latched OV output. GND = OV output latched. 6V2 = disable outputs, OV and UV outputs are not asserted except UVLO. GND = enable outputs. Timer capacitor control switch. Connect the TIMER pin to C7 and C16. On = connect. Off = disconnect. Connect the TIMER pin to C15. On = connect. Off = disconnect. Connect the TIMER pin to C14. On = connect. Off = disconnect. Connect the TIMER pin to VCC. On = connect. Off = disconnect. IC input selection. Main supply = connect the VCC pin of the ADM2914 to the main input of the board. This requires the shunt resistor RSHUNT to be placed. 5 V = Connect the VCC pin of the ADM2914 to the output of U3 (adjustable 5 V). Input selection switch. +/+ = The inputs of the ADM2914 are connected to monitors adjustable 1 V, 2.5 V, 3.3 V, and 5 V. +/− = The inputs of the ADM2914 are connected to monitors adjustable +1 V, +2.5 V, +3.3 V, and −5 V. −/− = The inputs of the ADM2914 are connected to monitors adjustable +1 V, +2.5 V, −3.3 V, and −5 V. Default 6V2 6V2 GND Disconnected Connected Disconnected Disconnected 5V +/+ Table 2. Jumper Functions Jumper J9 J10 J2 J4 J6 J5 Description Deassert to disable the adjustable 1 V output. Deassert to disable the adjustable 2.5 V output. Deassert to disable the adjustable 3.3 V output. Disabling the 3.3 V output also disables the −3.3 V, +2.5 V, and +1 V outputs. Deassert to disable the adjustable 5 V output. Disabling the 5 V output may disable the input supply to the ADM2914 unless it is powered from the main supply. Deassert to disable the adjustable −5 V output. Deassert to disable the adjustable −3.3 V output. Rev. 0 | Page 3 of 12 Default Asserted Asserted Asserted Asserted Asserted Asserted UG-174 Evaluation Board User Guide Table 3. LED Functions LED D6 D7 D8 D4 D3 D2 D1 Corresponding Node 6V2 1V 2.5V 3.3V 5V OV UV Description The LEDs used to indicate the status of the on-board voltage rails. The LEDs used to indicate the status of the on-board voltage rails. The LEDs used to indicate the status of the on-board voltage rails. The LEDs used to indicate the status of the on-board voltage rails. The LEDs used to indicate the status of the on-board voltage rails. The LEDs used to indicate the status of the ADM2914 outputs. The LEDs used to indicate the status of the ADM2914 outputs. Table 4. Connector Functions Connector J1 J3 Description Input power connector. Connect J1 to the 8.5 V to 20 V voltage source. Input power connector for wall adaptor. Connect J3 to the 8.5 V to 20 V power adaptor. Tip negative. Rev. 0 | Page 4 of 12 Evaluation Board User Guide UG-174 09186-001 EVALUATION BOARD OVERVIEW Figure 1. Evaluation Board 8.5V~20V INPUT +1V ADJUSTABLE RESISTOR DIVIDER +2.5V ADJUSTABLE RESISTOR DIVIDER ADP1712 LM78L62 ADP1712 6.2V ADM2914 ADP3334 –3.3V ADJUSTABLE ADM8828 +5V ADJUSTABLE ADP3334 –5V ADJUSTABLE ADM8660 RESISTOR DIVIDER RESISTOR DIVIDER RESISTOR DIVIDER RESISTOR DIVIDER Figure 2. Evaluation Board Power Architecture Rev. 0 | Page 5 of 12 ADM12914 09186-002 +3.3V ADJUSTABLE UG-174 Evaluation Board User Guide EVALUATION BOARD SCHEMATICS 09186-003 Figure 3. Evaluation Board Schematic 1 Rev. 0 | Page 6 of 12 Evaluation Board User Guide UG-174 09186-004 Figure 4. Evaluation Board Schematic 2 Rev. 0 | Page 7 of 12 UG-174 Evaluation Board User Guide 09186-005 Figure 5. Evaluation Board Schematic 3 Rev. 0 | Page 8 of 12 Evaluation Board User Guide UG-174 09186-006 Figure 6. Evaluation Board Schematic 4 Rev. 0 | Page 9 of 12 UG-174 Evaluation Board User Guide ORDERING INFORMATION BILL OF MATERIALS Table 5. Name −3V3, −5V, LATCH/DIS, OV, UV, 1V, 2V5, 3V3, 5V, 6V2, REF, REG4FB, REG4FB1, REG4IN, REG4IN2, SEL, TMR, VCC, VH1 to VH4, VL1 to VL4 C1 C2, C3 C4, C5 C7 C8 to C10, C12 C11, C13, C19, C22 C14 C15 C16 C34 D1 to D4, D6 to D8 GND J1 J2, J4 to J6, J9, J10 J3 Q1 to Q6 R1, R44, R45 R2 R3 to R5, R1,1 R29, R34 R6 R7, R12, R14, R28, R30, R33, R35, R40 to R43 R8 R9 R10 R13 R15 R16 R17 R18, R23 R19 R20 R21, R24 R22 R25 R26 R27 R31 R32 R36, R39 Part Description Red test point Part Number 20-313137 Stock Code FEC 873 1144 Capacitor, 0.33 μF, 1206, 10%, 25 V 50 V electrolytic capacitor, Case B, low ESR, 1 μF, 20% 16 V electrolytic capacitor, Case B, 10 μF, 20% 0805, capacitor footprint (not inserted), user defined Capacitor, 0805, 2.2 μF, 10 V, X7R, ±10% Capacitor, 0603, 1μF, 10 V Capacitor, 0805, 10 pF, 100 V, 5% Capacitor, 0805, 1 nF, 50 V, 5% Through-hole capacitor (not inserted), user defined Capacitor, 0805, 0.01 μF, 10% Green, 0805, chip LED Red test point 2-pin terminal block (5 mm pitch) 2-pin (0.1" pitch) header and shorting shunt, jumper socket red 2.1 mm, dc barrel power connector General-purpose NPN SMD transistor, BC850C, SOT-23 51 kΩ resistor, 0805, ±1% 220 kΩ resistor, 0805, ±1% 100 kΩ resistor, 0805, ±5% 604 kΩ resistor, 0805, ±0.1% 1 kΩ resistor, 0.1 W, 0805, ±1% 51.1 kΩ resistor, 0603, ±0.1% 49.9 kΩ resistor, 0805, ±1% 120 kΩ resistor, 0805, ±1% 3.6 kΩ resistor, 0805, ±1% 9.31 kΩ resistor, 0805, ±0.1% 357 kΩ resistor, 0805, ±0.1% 634 kΩ resistor, 0805, ±0.1% 14.3 kΩ resistor, 0603, ±0.1% 7.32 kΩ resistor, 0805, ±0.1% 44.2 kΩ resistor, 0805, ±0.1% 64.9 kΩ resistor, 0603, ±0.1% 392 kΩ resistor, 0805, ±0.1% 162 kΩ resistor, 0603, ±0.1% 8.2 kΩ resistor, 0805, ±1% 4.12 kΩ resistor, 0805, ±0.1% 11.8 kΩ resistor, 125 mW, ±1% 29.4 kΩ resistor, 125 mW, ±1% 39.2 kΩ resistor, 0603, ±0.1% C1206C334K3RACTU EEEFC1H1R0R FEC 1650900 FEC 9694528 EEEFK1C100R FEC 9695648 Not inserted Not inserted CC0805KKX7R6BB225 CC0603ZRY5V6BB105 MCCA000390 08055A102JAT2A Not inserted FEC 9402152 FEC 3188840 FEC 9406239 FEC 317457 Insert low profile sockets CC0805KRX7R8BB103 KP-2012SGC 20-313137 M20-9990246 and M7566-05 DC10A BC850C FEC 3019767 FEC 1318243 FEC 8731144 FEC 151-785 FEC 1022247 and FEC 150411 FEC 224959 FEC 1081241 MC 0.1W 0805 1% 51K MC 0.1W 0805 1% 220K RC0805JR-07100KL MCTC0525B6043T5E WCR0805-1K0FI PCF0603R 51K1BI.T1 CRCW080549K9FKEA MC 0.1W 0805 1% 120K MC 0.1W 0805 1% 3K6 MCTC0525B9311T5E PCF0805R-357KBT1 PCF0805R 634KBI.T1 PCF0603R-14K3BT1 PCF0805R 7K32BI.T1 PCF0805R-44K2BT1 PCF0603R-64K9BT1 PCF0805R 392KBI.T1 PCF0603R-162KBT1 MC 0.1W 0805 1% 8K2 PCF0805R-4K12BT1 CRCW080511K8FKEA CRCW080529K4FKEA PCF0603R-39K2BT1 FEC 9333339 FEC 9332839 FEC 9234250 FEC 1576103 FEC 1099800 FEC 1160386 FEC 1469934 FEC 9332510 FEC 9333118 FEC 1575897 FEC 1353265 FEC 1160299 FEC 1353120 FEC 1160193 FEC 1353276 FEC 1353180 FEC 1160287 FEC 1353121 FEC 9333584 FEC 1353280 FEC 1258438 FEC 1152323 FEC 1353166 Rev. 0 | Page 10 of 12 Evaluation Board User Guide Name R37 R38 R_SHUNT S1 S2, S4 S3 S5 U1 U2, U3 U4 U5 U6, U7 U8 U9 VR1, VR2, VR4 VR3 X1 to X16 UG-174 Part Description 39 kΩ resistor, 0603, ±0.1% 4.32 kΩ resistor, 0603, ±0.1% Resistor, 1206 Slide switch, SP 3 POS, VERT Slide switch, SP 2 POS, VERT 4-way SMD switch (SW\4DIP) Switch slide 4P3T, 30 V, right angle ADM8828, switched-capacitor voltage inverter with shutdown, SOT-23-6 ADP3334 adjustable LDO regulator, MSOP-8 ADM8660, CMOS switched-capacitor voltage converter SOIC-8 6.2 V voltage regulator, 78L62, TO-92-3 ADP1712 adjustable LDO, TSOT-5 ADM2914, 16-lead QSOP 4-channel supervisory circuit footprint, QSOP-16 50 kΩ trimmer 5 kΩ trimmer Patchwork area, keep holes free of solder Rev. 0 | Page 11 of 12 Part Number ERA3AEB393V PCF0603R 4K32BI.T1 Not populated STSSS9131 STSSS9121 A6S-4101 EG4319 ADM8828ARTZ Stock Code FEC 1577627 FEC 1160343 Not applicable FEC 1123876 FEC 1123875 FEC 9901868 Digi-Key EG1915-ND ADM8828ARTZ ADP3334ARMZ ADP3334ARMZ ADM8660ARZ ADM8660ARZ LM78L62ACZ ADP1712AUJZ-R7 OTS-16(28)-0.635-02 Not populated FEC 9490213 ADP1712AUJZ-R7 Abrel OTS-16(28)-0.635-02 Not applicable M63M503KB30T607 M63M502KB30T607 Not applicable FEC 9608257 FEC 9608222 Not applicable UG-174 Evaluation Board User Guide NOTES ESD Caution ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. Legal Terms and Conditions By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. 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