Technical Data
10549
Effective June 2018
Supersedes August 2016
HCM1A0805
Automotive grade
High current power inductors
Applications
•
Body electronics
•
Central body control module
•
•
•
Vehicle access control system
Headlamps, tail lamps and interior lighting
Heating ventilation and air conditioning
controllers (HVAC)
Doors, window lift and seat control
•
•
Advanced driver assistance systems
•
Adaptive cruise control (ACC)
•
•
Automatic parking control
Collision avoidance system/
Car black box system
Product features
•
•
•
•
•
•
•
•
AEC-Q200 Grade 1 qualified
High current carrying capacity
Magnetically shielded, low EMI
Frequency range up to 1 MHz
Inductance range from 3.3 μH to 100 μH
Current range from 1.5 A to 10 A
8.3 mm x 8.0 mm footprint surface mount
package in a 5.4 mm height
Alloy powder core material
Moisture Sensitivity Level (MSL): 1
•
•
Infotainment and cluster electronics
•
Audio subsystem: head unit and trunk amp
•
•
•
Digital instrument cluster
In-vehicle infotainment (IVI) and navigation
Port power/USB HUB for front and
rear passengers
Chassis and safety electronics
•
Airbag control unit
•
Electronic stability control system (ESC)
•
•
Engine and Powertrain Systems
•
Electric pumps, motor control and auxiliaries
•
Powertrain control module (PCU)/Engine
Control unit (ECU)
Transmission Control Unit (TCU)
•
Environmental Data
•
Storage temperature range (Component):
-55 °C to +155 °C
Operating temperature range: -55 °C to +155 °C
(ambient plus self-temperature rise)
Solder reflow temperature:
J-STD-020 (latest revision) compliant
•
•
Pb
HF
FREE
HALOGEN
Technical Data
10549
Effective June 2018
HCM1A0805
Automotive grade high current power inductors
Product Specifications
Part Number
OCL
1
(μH) ± 20%
FLL
2
(μH)
minimum
I
rms3
(A)
I
sat4
(A)
DCR (mΩ)
typical @ +20 °C
DCR (mΩ)
maximum @ +20 °C
K-factor
5
6
HCM1A0805-3R3-R
HCM1A0805-4R7-R
HCM1A0805-100-R
HCM1A0805-150-R
HCM1A0805-220-R
HCM1A0805-470-R
HCM1A0805-101-R
3.3
4.7
10
15
22
47
100
2.1
3.0
6.4
9.6
14
30
64
8.0
5.7
2.8
2.5
2.0
1.8
1.5
8.0
10
8.0
6.0
3.8
3.2
2.7
9.0
17
50
64
100
145
240
10
20
55
71
110
160
265
180
87
48
48
39
31
20
1. Open Circuit Inductance (OCL) Test Parameters: 100 kHz, 0.25 V
rms
, 0.0 Adc, +25 °C
2. Full Load Inductance (FLL) Test Parameters: 100 kHz, 0.25 V
rms
, I
sat
, , +25 °C
3. I
rms
: DC current for an approximate temperature rise of 30 °C without core loss. Derating is necessary for AC currents.
PCB layout, trace thickness and width, air-flow, and proximity of other heat generating components will affect the
temperature rise. It is recommended that the temperature of the part not exceed 155 °C under worst case operating
conditions verified in the end application.
4. I
sat
: Peak current for approximately 20% rolloff @ +25 °C
5. K-factor: Used to determine B
p-p
for core loss (see graph). Bp-p = K * L *
ΔI.
B
p-p
: (Gauss), K: (K-factor from table),
L: (Inductance in μH),
ΔI
(Peak to peak ripple current in Amps).
6. Part Number Definition: HCM1A0805-xxx-R
HCM1A0805 = Product code and size
xxx = inductance value in μH, R = decimal point,
If no R is present then last character equals number of zeros
-R suffix = RoHS compliant
Dimensions (mm)
Part marking: 1AXXX=automotive grade, XXX=inductance value in uH, R=decimal point. If no R is present then last character equals number of zeros.
xxxx=Lot code
All soldering surfaces to be coplanar within 0.1 millimeters
Tolerances are ±0.3 millimeters unless stated otherwise
DCR measured from point “a” to point “b”
Color: Grey
Do not route traces or vias underneath the inductor
2
www.eaton.com/electronics
xxxx
HCM1A0805
Automotive grade high current power inductors
Packaging information (mm)
Drawing not to scale
Supplied in tape and reel packaging ,500 parts per 13” diameter reel
Technical Data
10549
Effective June 2018
Core loss vs Bp-p
HCM1A0805-4R7-R
1000
HCM1A0805-3R3-R
1 MHz
500 kHz
300 kHz
xxxx
10000
1000
1 MHz
500 kHz
300 kHz
100
Core Loss (mW)
Core Loss (mW)
100 kHz
50 kHz
25 kHz
100
100 kHz
50 kHz
25 kHz
10
10
1
1
0.1
0.1
100
B
p-p
(Gauss)
1000
10000
100
1000
10000
B
p-p
(Gauss)
www.eaton.com/electronics
3
Technical Data
10549
Effective June 2018
HCM1A0805
Automotive grade high current power inductors
Core loss vs Bp-p
10000
HCM1A0805-100-R
10000
HCM1A0805-150-R
1000
1 MHz
500 kHz
300 kHz
100 kHz
1000
1 MHz
500 kHz
300 kHz
100 kHz
Core Loss (mW)
100
50 kHz
25 kHz
Core Loss (mW)
100
50 kHz
25 kHz
10
10
1
1
0.1
100
1000
10000
0.1
B
p-p
(Gauss)
100
1000
10000
B
p-p
(Gauss)
10000
HCM1A0805-220-R
1000
HCM1A0805-470-R
1 MHz
500 kHz
300 kHz
100 kHz
1000
1 MHz
500 kHz
300 kHz
100
Core Loss (mW)
50 kHz
25 kHz
100 kHz
100
50 kHz
25 kHz
10
Core Loss (mW)
10000
10
1
1
0.1
100
1000
0.1
100
1000
10000
B
p-p
(Gauss)
B
p-p
(Gauss)
10000
HCM1A0805-101-R
1000
1 MHz
500 kHz
300 kHz
100 kHz
Core Loss (mW)
100
50 kHz
25 kHz
10
1
100
Bp-p (Gauss)
1000
10000
4
www.eaton.com/electronics
HCM1A0805
Automotive grade high current power inductors
Inductance and temperature rise vs. current
Technical Data
10549
Effective June 2018
3.5
3.0
2.5
HCM1A0805-3R3-R
HCM1A0805-4R7-R
100
90
80
5.0
4.5
4.0
100
90
80
70
60
50
40
30
20
10
0
5
10
15
20
0
Inductance (µH)
2.0
1.5
1.0
0.5
0.0
60
50
40
30
20
10
0
5
10
15
20
0
Inductance (µH)
70
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
I
dc
(A)
I
dc
(A)
HCM1A0805-100-R
12
100
90
10
80
HCM1A0805-150-R
16
14
12
100
90
80
70
60
50
40
30
20
10
0
2
4
6
8
10
12
0
Inductance (µH)
Inductance (µH)
8
70
60
Temperature Rise (°C)
10
8
6
4
2
0
6
50
40
4
30
20
10
2
0
0
2
4
6
8
10
12
14
0
I
dc
(A)
I
dc
(A)
HCM1A0805-220-R
24
100
90
20
80
HCM1A0805-470-R
50
45
40
100
90
80
70
60
50
40
30
20
10
0
1
2
3
4
5
6
0
Temperature Rise (°C)
Inductance (µH)
16
70
60
Inductance (µH)
35
30
25
20
15
10
5
0
12
50
40
8
30
20
10
4
0
0
1
2
3
4
5
6
7
8
0
I
dc
(A)
I
dc
(A)
www.eaton.com/electronics
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
Temperature Rise (°C)
5
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