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CM1371-SAT

iCM(创芯微) · IC · TSSOP-16

CM1371-SAT from iCM(创芯微), in a TSSOP-16. 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 VCC power_in Positive supply input and positive terminal connection of battery 1; absolute maximum rating is VSS-0.3 V to VSS+40 V.
2 VC1 input Positive voltage connection of battery 1; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
3 VC2 input Negative terminal of battery 1 and positive terminal of battery 2; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
4 VC3 input Negative terminal of battery 2 and positive terminal of battery 3; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
5 VC4 input Negative terminal of battery 3 and positive terminal of battery 4; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
6 VC5 input Negative terminal of battery 4 and positive terminal of battery 5; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
7 VC6 input Negative terminal of battery 5 and positive terminal of battery 6; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
8 VC7 input Negative terminal of battery 6 and positive terminal of battery 7; cell-input absolute maximum rating is VSS-0.3 V to VSS+40 V.
9 VSS power_in Chip ground and negative terminal connection of battery 7; absolute maximum rating references VSS for all pins.
10 TEC input Discharge overcurrent delay adjustment terminal, set by external capacitor CTEC with TEC1 (ms) = 10 x CTEC (nF); absolute maximum rating is VSS-0.3 V to VSS+5.5 V.
11 RTS input Connects to the NTC thermistor (B=3950, 100 kΩ at 25 °C) for temperature detection; absolute maximum rating is VSS-0.3 V to VCC+0.3 V.
12 RTV input Connects to a resistor to RTS that sets the over-temperature protection threshold, with RT equal to 3 times the NTC resistance at TCH; absolute maximum rating is VSS-0.3 V to VSS+5.5 V.
13 VINI input Overcurrent detection input for charge and discharge current sensing; absolute maximum rating is VSS-0.3 V to VCC+0.3 V.
14 DO output Discharge MOSFET control output; high level is VCC-0.7 V for VCC<12 V or 10.8 V typical for VCC>12 V, and low level is VSS; absolute maximum rating is VSS-0.3 V to VCC+0.3 V.
15 CO output Charge MOSFET control output; high level is VCC-0.7 V for VCC<12 V or 10.8 V typical for VCC>12 V; absolute maximum rating is VSS-15 V to VCC+0.3 V.
16 VM input Charger and load detection input with internal VM-VSS resistance of 50 kΩ typical; absolute maximum rating is VSS-15 V to VCC+0.3 V.

Key specifications

Parameter Value
Manufacturer iCM(创芯微)
Package TSSOP-16
Category
Pins 16

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
正常工作电流 IVCC 10 15 μA VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V 6
过充电保护电压 VOC 4.265 4.28 4.295 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 4.4V 6
过充电解除电压 VOCR 4.15 4.18 4.21 V VCn - VCn+1 = 3.5V, VC7-VSS = 4.4 → 3.5V 6
过充电保护延时 TOC 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 4.4V 6
过充电解除延时 TOCR 128 256 384 ms VCn - VCn+1 = 3.5V, VC7-VSS = 4.4 → 3.5V 6
均衡启动电压 VBAL 4.13 4.155 4.18 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 4.4V 6
过放电保护电压 VOD 2.45 2.5 2.55 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 2.0V 6
过放电解除电压 VODR 2.92 3 3.08 V VCn - VCn+1 = 3.5V, VC7-VSS = 2.0 → 3.5V 6
过放电保护延时 TOD 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 2.0V 6
过放电解除延时 TODR 128 256 384 ms VCn - VCn+1 = 3.5V, VC7-VSS = 2.0 → 3.5V 6
低压禁充电压 VLV 1.2 1.5 1.8 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 1.2V 6
低压禁充解除电压 VLVR 1.22 1.52 1.82 V VCn - VCn+1 = 3.5V, VC7-VSS = 1.2 → 3.5V 6
低压禁充延时 TLV 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 1.2V 6
低压禁充解除延时 TLVR 128 256 384 ms VCn - VCn+1 = 3.5V, VC7-VSS = 1.2 → 3.5V 6
放电过流1保护电压 VEC1 0.045 0.05 0.055 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.18V 6
放电过流1保护延时 TEC1 0.5 1 1.5 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.18V, CTEC=0.1μF 6
放电过流2保护电压 VEC2 0.085 0.1 0.115 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.35V 6
放电过流2保护延时 TEC2 50 100 150 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.35V, CTEC=0.1μF 6
短路保护电压 VSHORT 0.16 0.2 0.24 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.8V 7
短路保护延时 TSHORT 100 300 500 μs VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 0.8V 7
放电过流解除延时 TECR 22 32 42 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0.8 → 0V 7
充电过流保护电压 VCHA -0.055 -0.05 -0.045 V VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → -1.0V 7
充电过流保护延时 TCHA 180 256 332 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → -1.0V 7
充电过流解除延时 TCHAR 45 64 83 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = -1V → 0V 7
断线保护延时 TOW 4 s CVC1~7=0.1μF 7
充电高温保护延时 DTCH 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 100k → 10k 7
充电高温解除延时 DTCHR 90 128 166 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 10k → 100k 7
放电高温保护延时 DTDH 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 100k → 10k 7
放电高温解除延时 DTDHR 90 128 166 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 10k → 100k 7
充电低温保护延时 DTCL 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 100k → 3M 7
充电低温解除延时 DTCLR 90 128 166 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 3M → 100k 8
放电低温保护延时 DTDL 0.7 1 1.3 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 100k → 3M 8
放电低温解除延时 DTDLR 90 128 166 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, RNTC = 3M → 100k 8
放电状态检测电压 VSTS 1 4 7 mV VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 10mV 8
放电状态检测延时 TSTS 3 4.5 6 ms VCn - VCn+1 = 3.5V, VC7-VSS = 3.5V, VINI = 0 → 10mV 8
休眠延时 TSLP 22 32 42 s VCn - VCn+1 = 3.5V, VC7-VSS = 3.5 → 1.5V 8
工作环境温度 TOPR -40 85 °C 5
保存温度范围 TSTG -55 125 °C 5

CAD (KiCad official)

  • Symbol: CM1371-SAT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: cm1371-sat-etched.step / cm1371-sat-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm1371-sat.step / cm1371-sat.glb are the bare package body.

Provenance

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

  • Datasheet: iCM(创芯微) datasheet (20 pp, sha256 8030bd5b3bc2b407, retrieved 2026-10-17, 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