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CAR1212DC Datasheet(PDF) 11 Page - Lineage Power Corporation |
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CAR1212DC Datasheet(HTML) 11 Page - Lineage Power Corporation |
11 / 16 page GE Data Sheet CAR1212DC series DC-DC converter Input: -36VD C to -75VDC; Output: 12VDC @ 1200W; 3.3VDC or 5 VDC @ 1A October 21, 2013 ©2013 General Electric Company. All rights reserved. Page 11 Standard READ: Up to two bytes of data may follow a READ request depending on the required data content. Analog data is always transmitted as LSB followed by MSB. PEC is optional and includes the address and data fields. 1 7 1 1 8 1 S Slave address Wr A Command Code A 1 7 1 1 8 1 Sr Slave Address Rd A LSB A 8 1 8 1 1 MSB A PEC No-ack P Block instruction: When writing or reading more than two bytes of data at a time BLOCK instructions for WRITE and READ commands must be used instead of the Standard Instructions. Block write format: 1 7 1 1 8 1 S Slave address Wr A Command Code A 8 1 8 1 8 1 Byte count = N A Data 1 A Data 2 A 8 1 8 1 8 1 1 ………. A Data 48 A PEC A P Block read format: 1 7 1 1 8 1 S Slave address Wr A Command Code A 1 7 1 1 Sr Slave Address Rd A 8 1 8 1 8 1 Byte count = N A Data 1 A Data 2 A 8 1 8 1 8 1 1 ………. A Data 48 A PEC NoAck P Linear Data Format The definition is identical to Part II of the PMBus Specification. All standard PMBus values, with the exception of output voltage related functions, are represented by the linear format described below. Output voltage functions are represented by a 16 bit mantissa. Output voltage has a E=9 constant exponent. The Linear Data Format is a two byte value with an 11-bit, two’s complement mantissa and a 5-bit, two’s complement exponent or scaling factor, its format is shown below. Data Byte High Data Byte Low Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Exponent (E) Mantissa (M) The relationship between the Mantissa, Exponent, and Actual Value (V) is given by the following equation: E M V 2 ∗ = Where: V is the value M is the 11-bit, two’s complement mantissa E is the 5-bit, two’s complement exponent PMBusTM Command set: Command Hex Code Data Byte Write Function Operation 01 1 W Output ON/OFF ON_OFF_config 02 1 Clear_faults 03 0 Clear Status Write_protect 10 1 W Write control Store_default_all 11 0 W Store permanently Restore_default_all 12 0 Reset defaults Vout_mode 20 1 Vout constants Vout_command 21 2 W Set Vout Fan_config_1_2 3A 1 W RPM or duty cycle Fan_command_1 3B 2 W Set fan speed Vout_OV_fault_limit 40 2 W Set OV fault limit Vout_OV_fault_response 41 1 Latch only Vout_OV_warn_limit 42 2 W Set OV warn limit Iout_OC_fault_response 47 1 W Latch, restart, folddown Iout_OC_warn_limit 4A 2 W Set OC warn limit OT_fault_limit 4F 2 W Set OT fault limit OT_fault_response 50 1 W Latch, restart OT_warn_limit 51 2 W Set OT warn limit Status_byte 78 1 Status_word 79 2 Status_Vout 7A 1 Status_Iout 7B 1 Status_input 7C 1 Status_temperature 7D 1 Status_CML 7E 1 Status_mfr_specific 80 1 Status_fan_1_2 81 1 Read_Vout 8B 2 Read Vout Read_Iout 8C 2 Read Iout Read_temperature_1 8D 2 Read Temperature PMBus revision 98 1 Read fan_speed 90 2 Read speed in RPM Mfr_ID 99 5 FRU_ID Mfr_model 9A 16 Mfr_revision 9B 4 Mfr_location 9C 4 Mfr_date 9D 6 Mfr_serial 9E 15 Mfr_Vin_min A0 2 36V (linear format) Mfr_Vin_max A1 2 75V (linear format) Mfr_Iin_max A2 2 40A (linear format) Mfr_Pin_max A3 2 1400W (linear format) Mfr_Vout_min A4 2 10V (linear format) Mfr_Vout_max A5 2 15V (linear format) Mfr_Iout_max A6 2 100A (linear format) Mfr_Pout_max A7 2 1200W (linear format) Mfr_Tambient_max A8 2 70C (linear format) Mfr_Tambient_min A9 2 -10C (linear format) FRW_revision D0 1 Fan_duty_cycle_ I2C D6 1 Duty_cycle read in % OTF_RECOVERY_I2C E5 2 Recovery hysteresis °C DCOKHI_ I2C E6 2 (1/512V) DCOKLO_ I2C E7 2 (1/512V) |
Similar Part No. - CAR1212DC_14 |
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Similar Description - CAR1212DC_14 |
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