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Coilcraft CPS
Datasheet 3D Models

ZD2250-AE, ZE2432-AE

Flyback Transformers for Texas Instruments LM5185-Q1

RoHS compliant halogen free AEC-Q flag
Coilcraft ZD2250/ZE2432-AE flyback transformers are designed to work with the LM5185-Q1 100 Vin PSR flyback automotive DC-DC controller from Texas Instruments. These transformers have no auxiliary winding, reducing solution size and cost while achieving greater than 90% efficiency, making them suitablefor use in isolated bias power supplies for IGBT, SiC, and GaN gate drivers.
 
The ZD2250/ZE2432-AE are AEC qualified, making them ideal for automotive traction inverters, onboard chargers (OBC), EV charging stations, battery management systems (BMS), automotive DC-DC converters and wide range of other automotive and industrial applications.
 
  • Optimized to work with the PSR Flyback DC-DC controller LM5185-Q1 from Texas Instruments
  • Designed to operate with 18 – 60 V (ZD2250) and 9 – 60 V (ZE2432) input at 200 kHz
  • 2000 Vrms one minute isolation (hipot) primary to secondary
  • AEC-Q200 (–40°C to +125°C), with max part temp at 165°C

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Typical Application

Works with Texas Instruments LM5185-Q1

Part number Input Voltage Output Power Fsw
ZD2250-AED 18 V — 60 V 16 V , 1 A 16 W 200 kHz
ZE2432-AED 9 V — 60 V 16 V , 1 A 16 W 200 kHz

Specifications

Electrical specifications at 25°C.

Part number
(Hover for schematics)
Inductance
at 0A (µH) 1
(Tolerance: ±10%) 		Isat (A) 2 DCR max (Ω) 3 Leakage
Inductance
max (µH) 4 		Turns Ratio Isolation
Voltage (Vrms) 5
Pri Sec Pri : Sec
ZD2250-AED 12 5.5 0.025 0.025 0.20 1 : 1 2000
ZE2432-AED 9 7.5 0.025 0.025 0.15 1 : 1 2000
Notes
  1. Inductance is for the primary, measured at 200 kHz, 0.1 Vrms, 0 Adc.
  2. DC current that causes an inductance drop of 30% (typ) from its value without current.
  3. DCR values specified with windings connected in parallel.
  4. Leakage inductance is for the primary winding (connected in parallel) with the secondary windings shorted.
  5. 2000 Vrms, isolation (hipot) measured between primary windings (connected in parallel) to secondary windings (connected in parallel).

Termination:

  • RoHS-compliant. 260°C compatible. RoHStin-silver over tin over nickel over phos bronze. Other terminations available at additional cost.

Packaging:

  • D = 13″ machine-ready reel. EIA-481 embossed plastic tape (200 parts per reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
Environmental
Environmental:
RoHS compliant , halogen free
Ambient temperature range:
–40°C to +125°C
Storage temperature range:
Component: –40°C to +165°C
Tape and reel packaging: –40°C to +80°C
Maximum part temperature:
+165°C (ambient + temperature rise)
Failures in Time (FIT) / Mean Time Between Failures (MTBF):
See FIT/MTBF Calculations

Performance curves

L vs Current

L vs Current
L vs Current

Schematics

zd2250_ze2432s.gif

Connect pin 2 to 1, pin 10 to 9, and pin 6 to 7 on the PC board

Physical characteristics

zd2250_ze2432d.gif

dims_inches_mm.gif

Tape and Reel specification

tapereel_pl.gif

 
Parts per reel Reel dimensions (mm) Tape dimensions (mm) Orientation
13" (330 mm) A B C D E W P Po P1 H T part_or_f.gif
200 330 100 13 50,4 44,4 44 28 4 2 9,55 0,5

General specification

Core Material:
Ferrite
Weight:
5.5 g
Packaging:
200 per 13″ reel Plastic tape: 44 mm wide, 0.5 mm thick, 28 mm pocket spacing, 9.55 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
Resistance to soldering heat:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
Refer to Soldering Coilcraft Components before soldering.
PCB Washing:
Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.