CQHS3004850

DC-DC Converters Bus Converter . Power Module Type Low Profile Isolated Safety Approvals OCP OVP Remote ON/OFF CQHS-series Feature 5-year warranty Compact DC-DC Converter, ” BRICK SIZE” which has been standard size for Telecommunication Market High efficiency (synchronous rectifier circuit) High density High reliability : not built-in aluminum and tantalum electrolytic capacitor Built-in overcurrent, overvoltage and thermal protection circuits Built-in remote ON/OFF Mounting hole (M3 tapped) Optional parts Heat sink (optional parts : CQHS300/CQHS350) CE marking Low Voltage Directive RoHS Directive UKCA marking Electrical Equipment Safety Regulations RoHS Regulations Safety agency approvals UL60950-1, C-UL, EN62368-1 www.cosel.co.jp/en/ December 27, 2022 CQHS-1 DC-DC Converters Bus Converter . Power Module Type CQHS250 Ordering information CQH 1 S 2 250 3 48 4 50 5 -O 6 1 Series name 2 Single output 3 Output wattage 4 Input voltage 48:DC36 - 76V 5 Output voltage 6 Optional R : with Remote ON/OFF Positive logic control N :Auto restart in protection circuit working B : Base plate option with Mounting hole M3 L2 :Pin length 5.3mm R MODEL CQHS2504832 CQHS2504850 MAX OUTPUT WATTAGE[W] 252.8 250 DC OUTPUT 32V 7.9A 50V 5.0A MODEL CQHS2504832 CQHS2504850 VOLTAGE[V] DC36 - 76 SPECIFICATIONS INPUT CURRENT[A] *1 5.60typ 5.54typ EFFICIENCY[%] *1 94typ 94typ START-UP VOLTAGE[V] DC32 - 36 HYSTERESIS VOLTAGE[V] DC2 min VOLTAGE[V] 32 50 CURRENT[A] 7.9 5.0 LINE REGULATION[mV] 64max 100max LOAD REGULATION[mV] 64max 100max RIPPLE[mVp-p] OUTPUT RIPPLE NOISE[mVp-p] -20 to +85C Vin=36-60V *2 255max -20 to +85C Vin=60-76V *2 320max 400max 500max -40 to -20C *2 320max 500max -20 to +85C *2 320max 500max -40 to -20C *2 410max 650max TEMPERATURE REGULATION[mV] -40 to +85C 640max 1000max DRIFT[mV] 185max *3 START-UP TIME[ms] 120max 200max (DCIN 48V, Io=100%) OUTPUT VOLTAGE ADJUSTMENT RANGE[V] *4 Fixed (TRM pin open), adjustable by external resistor 26.88 - 35.20 45.0 - 55.0 OUTPUT VOLTAGE SETTING[V] *1 31.68 - 32.32 49.50 - 50.50 OVERCURRENT PROTECTION Works over 105% of rating, low voltage protection (shut down) function is built-in. PROTECTION OVERVOLTAGE PROTECTION[V] 36.80 - 44.80 CIRCUIT AND REMOTE SENSING Provided OTHERS REMOTE ON/OFF Provided (Negative Logic L : ON, H :OFF) INPUT-OUTPUT ISOLATION 56.50 - 67.50 DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) INPUT-BASE PLATE *5 DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) OUTPUT-BASE PLATE *5 AC500V 1minute, Cutoff current = 100mA, DC500V 50MW min (20±15C) OPERATING TEMP.,HUMID.AND ALTITUDE -40 to +85C, 20 - 95%RH (Non condensing) (Refer to “Derating”), 3,000m (10,000 feet) max ENVIRONMENT SAFETY OTHERS STORAGE TEMP.,HUMID.AND ALTITUDE -40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000 feet) max VIBRATION 10 - 55Hz, 49.0m/s2 (5G), 3minutes period, 60minutes each along X, Y and Z axis IMPACT 196.1m/s2 (20G), 11ms, once each along X, Y and Z axis AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN62368-1 CASE SIZE/WEIGHT COOLING METHOD 57.9X10.5X22.76mm [2.28X0.41X0.9 inches] (WXHXD) / 30g max 58.4X12.7X23.26mm [2.3X0.5X0.92 inches] (WXHXD) / 45g max *5 Convection / Forced air / Conduction *1 At rated input(DC48V), rated load. Ta= 25C, 2m/s. *2 Ripple and ripple noise is measured by using measuring board. Refer to the manual. *3 Drift is the change in DC output for an eight hour period after a half-hour warm-up at 25C, with the input voltage held constant at the rated input/output. *4 When the input voltage is in the range of DC36-40V, output voltage is limited. Refer to the manual. *5 Base Plate Option. CQHS-2 December 27, 2022 www.cosel.co.jp/en/ CQHS250 External view Tolerance : ±0.5 [±0.02] Weight : 30g max(DIP) 45g max(Base Plate) Dimensions in mm, [ ]=inches 57.9 3.68 ±0.25 10.5max [0.14] [0.41] [0.6] RC −VIN 3.81 ±0.2 [0.9] +VOUT +S TRM −S −VOUT +VIN 22.76 [0.3] [2.0] 15.24 50.8 [0.15] [2.28] Model [0.6] 15.24 7.62 ±0.2 1. DIP ±VOUT Pin [0.14] 1.7 3.68 ±0.25 ±VIN/RC/TRM/±S Pin 1 ±0.1 1.5 ±0.1 2. Base Plate (option B) [0.6] 3.81±0.2 [0.15] 15.24 [0.92] [0.6] 15.24 23.26 [2.0] [0.3] 2-M3 Mounting Hole 12.7 [0.5] Recommended size for processing PCB (TOP VIEW) RC +VIN −VOUT −S TRM +S +VOUT 6- 1.5 50.8 [2.0] 2- Outline Dimensions in mm, [ Div.:0.5inch www.cosel.co.jp/en/ 2 15.24 [0.6] −VIN 3.81 [0.15] 7.62 [0.3] 3.68 ±0.25 [0.14] [2.3] 50.8 [0.6] 15.24 7.62 ±0.2 58.4 Model December 27, 2022 ]=inches CQHS-3 DC-DC Converters Bus Converter . Power Module Type CQHS300 Ordering information CQH 1 S 300 2 3 48 4 *Providing heat sink as option R MODEL CQHS3004832 CQHS3004850 MAX OUTPUT WATTAGE[W] 300.8 300 DC OUTPUT 32V 9.4A 50V 6A MODEL CQHS3004832 CQHS3004850 VOLTAGE[V] DC36 - 76 50 5 -O 6 1 Series name 2 Single output 3 Output wattage 4 Input voltage 48:DC36 - 76V 5 Output voltage 6 Optional R : with Remote ON/OFF Positive logic control T : with Mounting hole f3.4 thru SPECIFICATIONS INPUT CURRENT[A] *1 6.67typ 6.65typ EFFICIENCY[%] *1 94typ 94typ START-UP VOLTAGE[V] DC32 - 36 HYSTERESIS VOLTAGE[V] DC2 min VOLTAGE[V] 32 50 CURRENT[A] 9.4 6.0 LINE REGULATION[mV] 64max 100max LOAD REGULATION[mV] 64max 100max RIPPLE[mVp-p] OUTPUT RIPPLE NOISE[mVp-p] TEMPERATURE REGULATION[mV] -20 to +100C *2 255max -40 to -20C *2 320max Vin=36-60V 400max 500max -40 to -20C *2 400max Vin=60-76V 500max -20 to +100C *2 320max 500max -40 to -20C *2 410max 650max 0 to +65C 320max 500max -40 to +100C 640max DRIFT[mV] *3 START-UP TIME[ms] OUTPUT VOLTAGE ADJUSTMENT RANGE[V] *4 1000max 120max 185max 200max (DCIN 48V, Io=100%) Fixed (TRM pin open), adjustable by external resistor 27.2 - 35.2 45.0 - 55.0 OUTPUT VOLTAGE SETTING[V]* 1 31.68 - 32.32 49.50 - 50.50 OVERCURRENT PROTECTION Works over 105% of rating, low voltage protection (shut down) function is built-in. PROTECTION OVERVOLTAGE PROTECTION[V] 36.80 - 44.80 CIRCUIT AND REMOTE SENSING Provided OTHERS REMOTE ON/OFF Provided (Negative Logic L : ON, H :OFF) ISOLATION 56.50 - 67.50 INPUT-OUTPUT DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) INPUT-BASE PLATE DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) OUTPUT-BASE PLATE AC500V 1minute, Cutoff current = 100mA, DC500V 50MW min (20±15C) OPERATING TEMP.,HUMID.AND ALTITUDE -40 to +100C (On aluminum base plate), 20 - 95%RH (Non condensing) (Refer to “Derating”), 3,000m (10,000 feet) max ENVIRONMENT SAFETY OTHERS STORAGE TEMP.,HUMID.AND ALTITUDE -40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000 feet) max VIBRATION 10 - 55Hz, 49.0m/s2 (5G), 3minutes period, 60minutes each along X, Y and Z axis IMPACT 196.1m/s2 (20G), 11ms, once each along X, Y and Z axis AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN62368-1 CASE SIZE/WEIGHT 57.9X12.7X36.8mm [2.28X0.5X1.45 inches] (WXHXD) / 75g max COOLING METHOD Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink) *1 At rated input(DC48V), rated load, and aluminum base plate temperature 25C. *2 Ripple and ripple noise is measured by using measuring board with recommended capacitor Co & the film capacitor 0.1mF. *3 Drift is the change in DC output for an eight hour period after a half-hour warm-up at 25C, with the input voltage held constant at the rated input/output. *4 When the input voltage is in the range of DC36-40V, output voltage is limited. Refer to the manual. CQHS-4 December 27, 2022 www.cosel.co.jp/en/ CQHS300 External view ±0.5 2-M3 [2.28] 50.8 ±0.5 Mounting Hole [2.0] 47.24 ±0.5 [0.3] [0.6] 7.62 +S 15.24 TRM 36.8 ±0.5 [0.3] -S RC [0.3] 7.62 7.62 -VOUT -VIN [1.45] 2-º1.5 ±0.1 [1.86] 26.16 ±0.5 6-º1 ±0.1 [1.03] 57.9 +VOUT +VIN 12.7±0.5 [0.15] Lot No. ¶ Tolerance : ±0.3 [±0.012] ¶ Weight : 75g max [0.5] 3.68 ±0.5 Name Plate ¶ Base Plate : Aluminum ¶ Dimensions in mm, [ ]=inches ¶ Mounting hole screwing torque : 0.49N-m (5.0kgf-cm) max Base plate (Aluminum) ¶ Recommended size for processing PCB (TOP VIEW) 2-º2 26.16 [1.03] 7.62 [0.3] 15.24 [0.6] 3.81 [0.15] 6-º1.5 2-º3.5 47.24 [1.86] 50.8 [2.0] www.cosel.co.jp/en/ ¶ Dimensions in mm, [ ]=inches ¶ Div.:0.5inch December 27, 2022 CQHS-5 DC-DC Converters Bus Converter . Power Module Type CQHS350 Ordering information CQH 1 S 350 2 3 48 4 *Providing heat sink as option R MODEL CQHS3504832 CQHS3504850 MAX OUTPUT WATTAGE[W] 352 350 DC OUTPUT 32V 11A 50V 7A MODEL CQHS3504832 CQHS3504850 VOLTAGE[V] DC36 - 65 50 5 -O 6 1 Series name 2 Single output 3 Output wattage 4 Input voltage 48:DC36 - 65V 5 Output voltage 6 Optional R : with Remote ON/OFF Positive logic control T : with Mounting hole f3.4 thru SPECIFICATIONS INPUT CURRENT[A] *1 7.8typ 7.76typ EFFICIENCY[%] *1 94typ 94typ START-UP VOLTAGE[V] DC32 - 36 HYSTERESIS VOLTAGE[V] DC2 min VOLTAGE[V] 32 50 CURRENT[A] 11.0 *5 7.0 LINE REGULATION[mV] 64max 100max LOAD REGULATION[mV] 64max RIPPLE[mVp-p] OUTPUT RIPPLE NOISE[mVp-p] TEMPERATURE REGULATION[mV] 100max -20 to +100C *2 255max -40 to -20C *2 320max Vin=36-60V 400max 500max -40 to -20C *2 400max Vin=60-65V 500max -20 to +100C *2 320max 500max -40 to -20C *2 410max 650max 0 to +65C 320max 500max -40 to +100C 640max DRIFT[mV] *3 START-UP TIME[ms] OUTPUT VOLTAGE ADJUSTMENT RANGE[V] *4 1000max 120max 185max 200max (DCIN 48V, Io=100%) Fixed (TRM pin open), adjustable by external resistor 26.88 - 35.20 45.0 - 55.0 OUTPUT VOLTAGE SETTING[V]* 1 31.68 - 32.32 49.50 - 50.50 OVERCURRENT PROTECTION Works over 105% of rating, low voltage protection (shut down) function is built-in. PROTECTION OVERVOLTAGE PROTECTION[V] 36.80 - 44.80 CIRCUIT AND REMOTE SENSING Provided OTHERS REMOTE ON/OFF Provided (Negative Logic L : ON, H :OFF) ISOLATION 56.50 - 67.50 INPUT-OUTPUT DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) INPUT-BASE PLATE DC1,500V or AC500V 1minute, Cutoff current = 10mA, DC500V 50MW min (20±15C) OUTPUT-BASE PLATE AC500V 1minute, Cutoff current = 100mA, DC500V 50MW min (20±15C) OPERATING TEMP.,HUMID.AND ALTITUDE -40 to +100C (On aluminum base plate), 20 - 95%RH (Non condensing) (Refer to “Derating”), 3,000m (10,000 feet) max ENVIRONMENT SAFETY OTHERS STORAGE TEMP.,HUMID.AND ALTITUDE -40 to +100C, 20 - 95%RH (Non condensing), 9,000m (30,000 feet) max VIBRATION 10 - 55Hz, 49.0m/s2 (5G), 3minutes period, 60minutes each along X, Y and Z axis IMPACT 196.1m/s2 (20G), 11ms, once each along X, Y and Z axis AGENCY APPROVALS UL60950-1, C-UL (CSA60950-1), EN62368-1 CASE SIZE/WEIGHT 57.9X12.7X36.8mm [2.28X0.5X1.45 inches] (WXHXD) / 75g max COOLING METHOD Conduction cooling (e.g. heat radiation from the aluminum base plate to the attached heat sink) *1 At rated input(DC48V), rated load, and aluminum base plate temperature 25C. *2 Ripple and ripple noise is measured by using measuring board with recommended capacitor Co & the film capacitor 0.1mF. *3 Drift is the change in DC output for an eight hour period after a half-hour warm-up at 25C, with the input voltage held constant at the rated input/output. *4 When the input voltage is in the range of DC36-40V, output voltage is limited. Refer to the manual. *5 Rated current is increased adjusting output voltage to lower than rated output voltage. Refer to the manual. CQHS-6 December 27, 2022 www.cosel.co.jp/en/ CQHS350 External view ±0.5 2-M3 [2.28] 50.8 ±0.5 Mounting Hole [2.0] 47.24 ±0.5 [0.3] [0.6] 7.62 +S 15.24 TRM 36.8 ±0.5 [0.3] -S RC [0.3] 7.62 7.62 -VOUT -VIN [1.45] 2-º1.5 ±0.1 [1.86] 26.16 ±0.5 6-º1 ±0.1 [1.03] 57.9 +VOUT +VIN 12.7±0.5 [0.15] Lot No. ¶ Tolerance : ±0.3 [±0.012] ¶ Weight : 75g max [0.5] 3.68 ±0.5 Name Plate ¶ Base Plate : Aluminum ¶ Dimensions in mm, [ ]=inches ¶ Mounting hole screwing torque : 0.49N-m (5.0kgf-cm) max Base plate (Aluminum) ¶ Recommended size for processing PCB (TOP VIEW) 2-º2 26.16 [1.03] 7.62 [0.3] 15.24 [0.6] 3.81 [0.15] 6-º1.5 2-º3.5 47.24 [1.86] 50.8 [2.0] www.cosel.co.jp/en/ ¶ Dimensions in mm, [ ]=inches ¶ Div.:0.5inch December 27, 2022 CQHS-7 CQHS-series Pin Configuration ¿CQHS250 8 7 6 5 4 -VIN 3 RC 2 +VIN 1 -VOUT -S TRM +S +VOUT *bottom view No. 1 2 3 4 5 6 7 8 - Pin Name +VIN RC -VIN +VOUT +S TRM -S -VOUT Mounting hole Function +DC input Remote ON/OFF -DC input +DC output +Remote sensing Adjustment of output voltage -Remote sensing -DC output Mounting hole ¿CQHS300/CQHS350 2-Mounting hole 8 7 6 5 4 -VIN 3 RC 2 +VIN 1 -VOUT -S TRM +S +VOUT *bottom view Implementation・Mounting Method Mounting method ¡When multiple power modules are used side by side, position them with sufficient spaces to allow adequate air ventilation so that the temperature of each power module will remain within the temperature range shown in the “Derating”. ¡Do not pass the DC input pattern underneath the power module as this will increase conducted noise. Place the DC input pattern away from the power module.Do not pass the DC output pattern underneath the power module as this will increase output noise. Place the DC output pattern away from the power module. ¡High frequency noise is radiated from the power module. When mounting the power module on a PCB, leave a copper pattern on the PCB to let it act as a shield and connect this pattern to the mounting hole. ¡Avoid placing pattern layout in hatched area shown in right figure to insulate between pattern and power supply. 5.0 48.5 +VOUT +S TRM -S -VOUT +VIN RC -VIN ¿CQHS300/CQHS350 ¡Soldering CQHS series with printed board must be done under the flat condition by using the mounting hole and fixing with the screw. If CQHS series is inclined and it’s mounted, the insulation of the internal com- Standard Optional : -T Mounting hole M3 tapped f3.4 thru ponents and printed board might not be kept. ¡When a heat sink cannot be fixed on the base plate side, order the power module with “-T” option. A heat sink can be mounted by affixing a M3 tap on the heat sink. Please make sure a mounting hole will be connected to a grounding capacitor CY. CQHS-8 December 27, 2022 www.cosel.co.jp/en/ CQHS-series Implementation・Mounting Method Stress onto the pins ¡Applying excessive stress to the input or output pins of the power module may damage internal connections. Avoid applying stressin excess of that shown in below. ¡Input and output pins are soldered onto the internal PCB. Do not bend or pull the leads with excessive force. ¿CQHS250 ¿CQHS300/CQHS350 -VOUT -S TRM +S +VOUT -VIN RC +VIN +VOUT, -VOUT Less than 19.6N(2kgf) RC +VIN Others Less than 19.6N Less than 19.6N(2kgf) Less than 19.6N Less than 39.2N Less than 39.2N(4kgf) -VOUT -S TRM +S +VOUT -VIN +VOUT, -VOUT Less than 19.6N(2kgf) Less than 19.6N(2kgf) Less than 39.2N(4kgf) Others Less than 9.8N(1kgf) Less than 9.8N(1kgf) Less than 19.6N(2kgf) ¿CQHS300/CQHS350 ¡As unexpected stress may be applied to the pins, set the diameter of the PCB mounting hole at 3.5mm. ¡As unexpected stress may be applied to the pins from vibration or shock, fix the power module by using the mounting holes screws to reduce stress. ¡Fix the power module to the PCB with the screws before soldering the input and output pins to prevent the PCB pattern being damaged. Soldering temperature ¡Flow soldering : 260C for up to 15 seconds. ¡Soldering iron (26W) : 450C for up to 5 seconds. Derating ¡It is necessary to note the thermal fatigue life by power cycle.Please reduce the temperature fluctuation range as much as possible when the up and down of the temperature are frequently generated. Contact us for more information on cooling methods. ¿CQHS250 ¡Use with the convection cooling or the forced air cooling. Make sure the temperatures at temperature measurement locations shown below are on or under the derating curve. Ambient temperature must be kept at 85℃ or under. Load factor[%] 100 80 60 40 20 0 -40 -20 0 20 40 60 80 100 120 Temperature of measurement location Temperature of measurement location[C] ¡For option “B” which is used with the convection cooling, forced air cooling or conduction cooling, use the temperature measurement location as shown in below. www.cosel.co.jp/en/ December 27, 2022 CQHS-9 CQHS-series Derating 1Vin=DC36-60V CQHS2504850 Load factor[%] 100 80 CQHS2504832 60 40 Aluminum base plate Vin : 36 - 60V 20 0 -40 -20 0 20 40 60 (75)80(85) Aluminum base plate temperature Tc [ C ] Tc : Measuring point 100 2Vin=DC60-76V Load factor[%] 100 80 60 Vin : 60 - 76V 40 (25) 20 0 -40 -20 20 40 60(65) 80 (95)100 0 Aluminum base plate temperature Tc [ C ] ¿CQHS300/CQHS350 ¡Use the power modules with conduction cooling (e.g. heat dissipation from the aluminum base plate to the attached heat sink). Below figure shows the derating curves with respect to the aluminum base plate temperature. Note that operation within the hatched areas will cause a significant level of ripple and ripple noise. Contact us for more information on cooling methods. ¡Please measure the temperature on the aluminum base plate edge side when you cannot measure the temperature of the center part of the aluminum base plate. In this case, please take 5deg temperature margin from the derating characteristic of below figure . 2CQHS300 : Vin=DC60 - 76V CQHS350 : Vin=DC60 - 65V 100 100 80 80 Load factor [%] Load factor [%] 1Vin=DC36-60V Vin=DC36 - 60V Vin=36-60V 50 0 -40 -20 0 20 40 60 CQHS300 : Vin=DC60 - 76V Vin=60-76V CQHS350 : Vin=DC60 - 65V 50 0 (85) 80 100 -40 Aluminum base plate temperature Tc [C] -20 0 20 40 60 80 (95) 100 Aluminum base plate temperature Tc [C] Tc : Measuring point Aluminum base plate Instruction Manual ◆ It is neccessary to read the “Instruction Manual” and “Before using our product” before you use our product. Instruction Manual https://www.cosel.co.jp/redirect/catalog/en/CQHS/ Before using our product https://en.cosel.co.jp/technical/caution/index.html CQHS-10 December 27, 2022 CQHS NOTICE www.cosel.co.jp/en/ CQHS-series Basic Characteristics Data Model Circuit method CQHS250 Full-bridge converter Switching frequency [kHz] Input current Rated input fuse Inrush current protection Material 140 *1 - - glass fabric base, epoxy resin *1 - - Aluminum *1 - - Aluminum CQHS300 Forward converter 250 CQHS350 Forward converter 250 Series/Redundancy operation availability PCB/Pattern Single sided Double sided Series operation Redundancy operation Multilayer Yes *2 Yes Yes *2 Yes Yes *2 *1 R  efer to Specification.  efer to Instruction Manual. *2 R www.cosel.co.jp/en/ December 27, 2022 CQHS-11