Hyundai Ioniq: High Voltage Battery Control System / Specifications

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / High Voltage Battery Control System / Specifications

Specification
Safety Plug
▷ Specification
Item
Specification
Rated Voltage (V)
400
Rated Current (A)
80
Fuse Rated Current (A)
125
Fuse Melting Time
Rated Current x 110%
Min. 4 hr
Rated Current x 200%
5 - 100 sec
Rated Current x 300%
0.5 - 15 sec
Rated Current x 500%
Max. 1 sec

Main Relay
▷ Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
80
Coil
Operating Voltage (V)
12
Resistance (Ω)
20.0 - 40.0
[20°C (68°F)]

Pre-Charge Relay
▷ Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
20
Coil
Operating Voltage (V)
12
Resistance (Ω)
40.0 - 110.0
[20°C (68°F)]

Pre-Charge Resistor
▷ Specification
Item
Specification
Resistance (Ω)
40 [20°C (68°F)]
Rated Current (A)
40

Battery Current Sensor
▷ Specification
Current (A)
Output Voltage (V)
-300 (Charge)
0.5
0
2.5
+300 (Discharge)
4.5

Battery Temperature Sensor (HEV)
▷ Type : Thermisor type
▷ Specification
[Air Inlet]
Temperature
Resistance (kΩ)
°C
°F
-50
-58
314.9 - 344.6
-40
-40
181.1 - 196.0
-30
-22
107.5 - 115.2
-20
-4
65.82 - 69.77
-10
14
41.43 - 43.52
0
32
26.74 - 27.83
10
50
17.67 - 18.25
20
68
11.94 - 12.24
30
86
8.214 - 8.411
40
104
5.738 - 5.918
50
122
4.082 - 4.239
60
140
2.954 - 3.087
70
158
2.172 - 2.284
80
176
1.621 - 1.715
90
194
1.227 - 1.305
100
212
0.941 - 1.006
110
230
0.731 - 0.785

[Cell]
Temperature
Resistance (kΩ)
°C
°F
-50
-58
351.1 - 385.0
-40
-40
196.6 - 213.1
-30
-22
114.4 - 122.7
-20
-4
68.94 - 73.15
-10
14
42.59 - 44.76
0
32
27.14 - 28.27
10
50
17.78 - 18.36
20
68
11.96 - 12.25
30
86
8.202 - 8.399
40
104
5.721 - 5.901
50
122
4.069 - 4.226
60
140
2.945 - 3.078
70
158
2.169 - 2.280
80
176
1.622 - 1.715
90
194
1.228 - 1.306

    Description and operation

    DescriptionThe high voltage battery system consists of the BMS ECU (Battery Management System ECU), Power Relay Assembly (PRA), safety plug, battery temperature sensor, and battery ambient sensor...

    Components and components location

    Component Location1. BMS ECU2. Power Relay Assembly (PRA)3. Safety Plug4. Battery Temperature Sensor5. Battery Ambient Sensor    • Main Relays (Positive, Negative), Pre-Charge Relay, Pre-Charge Resistor, and Battery Current Sensor are integrated into the PRA...

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