main
History Download
Ray Publish 0.1.0 52fcaa3 17d ago

FM05PF

Shenzhen Fuman · Battery Management · TSSOP-20

FM05PF from Shenzhen Fuman, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 DOIN input DO control terminal, used to control the discharge state through an external signal.
2 COIN input CO control terminal, used to control the charge state through an external signal.
3 TOV passive Connect a capacitor to set the overcharge detection delay, Tov = 10^7 x COV seconds (COV typically 0.1 μF).
4 TOVD passive Connect a capacitor to set the overdischarge detection delay, Tovd = 10^7 x COVD seconds (COVD typically 0.1 μF).
5 TOC1 passive Connect a capacitor to set the discharge overcurrent 1 detection delay, Toc1 = 2 x 10^6 x COC1 seconds.
6 TOC2 passive Connect a capacitor to set the discharge overcurrent 2 detection delay, Toc2 = 2 x 10^5 x COC2 seconds.
7 NTC passive Connect a negative temperature coefficient thermistor (typically 10 kΩ at 25 °C) for temperature detection.
8 TRH passive Connect a resistor to set the high-temperature protection threshold; RTRH = 2 x RNTC at the charge over-temperature point (typically 7 kΩ with a 103AT NTC).
9 VM input Overcurrent lock, charger and load detection terminal; an internal pull-down RVMS of 100 to 500 kΩ is switched in when overcurrent protection is active.
10 CO output Charge control MOS gate connection with high-level and high-impedance output; absolute maximum VCO is GND-20 V to VCC+0.3 V.
11 DO output Discharge control MOS gate connection with CMOS output; absolute maximum VDO is GND-0.3 V to VCC+0.3 V.
12 VIN power_in Discharge overcurrent and charge overcurrent detection terminal; thresholds are VOC1 0.10 V, VOC2 0.20 V, VSHORT 0.400 V and VOVCC -0.05 V.
13 SET input 4/5 cell application selection terminal.
14 GND power_in IC ground and connection to the negative terminal of battery 1.
15 VC1 passive Connection for the positive terminal of cell 1 and the negative terminal of cell 2.
16 VC2 passive Connection for the positive terminal of cell 2 and the negative terminal of cell 3.
17 VC3 passive Connection for the positive terminal of cell 3 and the negative terminal of cell 4.
18 VC4 passive Connection for the positive terminal of cell 4 and the negative terminal of cell 5.
19 VC5 passive Connection for the positive terminal of cell 5.
20 VCC power_in IC power supply and connection for the positive terminal of cell 5; the supply voltage range is 5 V to 30 V.

Key specifications

Parameter Value
Manufacturer Shenzhen Fuman
Package TSSOP-20
Category Power Management (PMIC)
Pins 20

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VCC 5 30 V 4
Normal power consumption IVCC 25 uA V1=V2=V3=V4=V5=3.5V 4
Sleep (standby) power consumption ISTB 10 uA V1=V2=V3=V4=V5=2.0V 4
Overcharge detection threshold (tolerance about nominal VDET1) VDET1 -0.025 0.025 V V1=V2=V3=V4=3.5V; V5=3.5→4.4V 4
Overcharge detection delay TOV 0.5 1 1.5 s V1=V2=V3=V4=3.5V; COV=0.1μF; V5=3.5→4.4V 4
Overcharge release threshold (tolerance about nominal VREL1) VREL1 -0.05 0.05 V V1=V2=V3=V4=3.5V; V5=4.4→3.5V 4
Overcharge release delay TREL1 10 20 30 ms V1=V2=V3=V4=3.5V; V5=4.4→3.5V 4
Temperature coefficient 1 KU1 -0.6 0 0.6 mV/℃ Ta= -40℃ to 85℃ 4
Overdischarge detection threshold (tolerance about nominal VDET2) VDET2 -0.08 0.08 V V1=V2=V3=V4=3.5V; V5=3.5→2.0V 4
Overdischarge detection delay TOVD 0.5 1 1.5 s V1=V2=V3=V4=3.5V; COVD=0.1μF; V5=3.5→2.0V 4
Overdischarge release threshold (tolerance about nominal VREL2) VREL2 -0.1 0.1 V V1=V2=V3=V4=3.5V; V5=2.0→3.5V 4
Overdischarge release delay TREL2 10 20 30 ms V1=V2=V3=V4=3.5V; V5=2.0→3.5V 4
Discharge overcurrent 1 delay TOC1 100 200 300 ms V1=V2=V3=V4=V5=3.5V; COC1=0.1μF; V6=0→0.12V 4
Discharge overcurrent 1 release delay TROC1 100 200 300 ms V1=V2=V3=V4=V5=3.5V; V6=0→0.12V→0V 4
Overcurrent pull-down resistance RVMS 100 300 500 kΩ V1=V2=V3=V4=V5=3.5V; V6=0→0.12V 4
Temperature coefficient 2 KU2 -0.1 0 0.1 mV/℃ Ta= -40℃ to 85℃ 4
Discharge overcurrent 2 detection threshold (tolerance about nominal VOC2) VOC2 -20 20 % V1=V2=V3=V4=V5=3.5V; V6=0→0.5V 4
Discharge overcurrent 2 delay TOC2 10 20 30 ms V1=V2=V3=V4=V5=3.5V; COC2=0.1μF; V6=0→0.5V 4
Discharge overcurrent 2 release delay TROC2 100 200 300 ms V1=V2=V3=V4=V5=3.5V; V6=0→0.5V→0V 4
Short-circuit detection threshold (tolerance about nominal VSHORT) VSHORT -20 20 % V1=V2=V3=V4=V5=3.5V; V6=0→1.2V 4
Short-circuit detection delay TSHORT 100 300 600 us V1=V2=V3=V4=V5=3.5V; V6=0→1.2V→0V 4
Charge overcurrent detection threshold (tolerance about nominal VOVCC) VOVCC -0.03 0.03 V V1=V2=V3=V4=V5=3.5V; V6=0→-0.2V 4
Charge overcurrent detection delay TOVCC 10 20 30 ms V1=V2=V3=V4=V5=3.5V; V6=0→-0.2V 4
CO output resistance (CO high) RCO 3 5 8 KΩ Normal state, CO is H (12V) 4
DO output resistance (DO high) RDO 3 5 8 KΩ Normal state, DO is H (12V) 4
DO output resistance (DO low) RDO 0.2 0.35 0.5 Protection state, DO is L 4
Supply voltage absolute maximum (VCC referenced to GND) VCC -0.3 30 V Referenced to GND 3
Cell voltage Vcell1-Vcell5 absolute maximum VCELL -0.3 6 V Referenced to GND 3
VM input terminal voltage absolute maximum VM -20 30 V Referenced to GND 3
DO output terminal voltage absolute maximum VDO -0.3 V Min referenced to GND; max printed as VCC+0.3 V 3
CO output terminal voltage absolute maximum VCO -20 V Min referenced to GND; max printed as VCC+0.3 V 3
Operating ambient temperature -40 85 ℃ 3
Storage temperature TSTG -40 125 ℃ 3
External resistor R1-R5 recommended value R1-R5 100 1000 1000 Ω 10
External resistor RB1-RB5 recommended value RB1-RB5 3 4.7 10 MΩ 10
External resistor RVCC recommended value RVCC 100 1000 1000 Ω 10
External resistor R6-R7 recommended value R6-R7 0.2 0.5 0.8 MΩ 10
External resistor R8-R12 recommended value R8-R12 10 47 200 Ω 10
External resistor RVM recommended value RVM 10 220 500 kΩ 10
External resistor RCO, RS recommended value RCO, RS 5 10 15 MΩ 10
External resistor RDO recommended value RDO 0 2 10 kΩ 10
External sense resistor Rsense recommended value Rsense 1 5 20 mΩ 10
External capacitor CVCC recommended value CVCC 10 10 100 μF 10
External capacitor C1-C5 recommended value C1-C5 0.1 1 10 μF Withstand voltage >50V 10
NTC thermistor RNTC recommended value RNTC 10 kΩ 10
TRH resistor RTRH recommended value RTRH 7 kΩ 10
Delay capacitors COV, COVD, COC1, COC2 recommended value COV, COVD, COC1, COC2 0.1 μF 10

CAD (KiCad official)

  • Symbol: FM05PF
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: fm05pf-etched.step / fm05pf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fm05pf.step / fm05pf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Shenzhen Fuman datasheet (13 pp, sha256 83151fd4ac45b1a0, retrieved 2026-10-18, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF